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52645-53-1 51877-74-8 61949-76-6

File Name: 52645-53-1_51877-74-8_61949-76.asp

                                                   Permethrin

sc-201319
Material Safety Data Sheet



Hazard Alert Code EXTREME HIGH MODERATE LOW
Key:



Section 1 - CHEMICAL PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME
Permethrin
STATEMENT OF HAZARDOUS NATURE
CONSIDERED A HAZARDOUS SUBSTANCE ACCORDING TO OSHA 29 CFR 1910.1200.
NFPA


1
FLAMMABILITY




4 0
HEALTH HAZARD INSTABILITY




SUPPLIER
Company: Santa Cruz Biotechnology, Inc.
Address:
2145 Delaware Ave
Santa Cruz, CA 95060
Telephone: 800.457.3801 or 831.457.3800
Emergency Tel: CHEMWATCH: From within the US and
Canada: 877-715-9305
Emergency Tel: From outside the US and Canada: +800 2436
2255 (1-800-CHEMCALL) or call +613 9573 3112
PRODUCT USE
Synthetic pyrethroid. As diluted spray or in powder form it has been used extensively as a clothing insect repellent treatment
and insecticide. Intermediate
SYNONYMS
C21-H20-Cl2-O3, "cyclopropanecarboxylic acid, 3-(2, 2-dichlorovinyl)-2, 2-dimethyl, ", "cyclopropanecarboxylic acid, 3-(2, 2-
dichlorovinyl)-2, 2-dimethyl, ", "3-phenoxybenzyl ester, (+-)-, (cis, trans)-", "3-phenoxybenzyl ester, (+-)-, (cis, trans)-", "3-
phenoxybenzyl (+-)-3-(2, 2-dichlorovinyl)-2, 2-", dimethylcyclopropanecarboxylate, "3-phenoxybenzyl (+-)-3-(2, 2-
dichlorovinyl)-2, 2-", dimethylcyclopropanecarboxylate, "3-phenoxybenzyl dl-cis/trans-3-(2, 2-dichlorovinyl)-2, 2-dimethyl-1-",
cyclopropane, "3-phenoxybenzyl dl-cis/trans-3-(2, 2-dichlorovinyl)-2, 2-dimethyl-1-", cyclopropane, -carboxylate, "(3-
phenoxyphenyl)methyl-3-(2, 2-dichlorethenyl)-2, 2-dimethylcyclopropane", -carboxylate, "(3-phenoxyphenyl)methyl-3-(2, 2-
dichlorethenyl)-2, 2-dimethylcyclopropane", -carboxylate, Ambush, *Kestrel, *Talcord, Ambushfos, *Outflank, *Tornade, Coopex,
*Peregin, *Perigen, Corsair, *Picket, Dragnet, *Pounce, Ectoban, *Pramex, Exmin, *Qamlin, Exsmin, *Stockade, Kafil,
*Stomoxin, pyrethrum/pyrethroid/pyrethrin



Section 2 - HAZARDS IDENTIFICATION
CANADIAN WHMIS SYMBOLS




EMERGENCY OVERVIEW
RISK
May cause SENSITIZATION by skin contact.
Harmful by inhalation, in contact with skin and if swallowed.
Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
POTENTIAL HEALTH EFFECTS
ACUTE HEALTH EFFECTS

SWALLOWED
Accidental ingestion of the material may be harmful; animal experiments indicate that ingestion of less than 150 gram may
be fatal or may produce serious damage to the health of the individual.
EYE
Although the material is not thought to be an irritant, direct contact with the eye may cause transient discomfort
characterized by tearing or conjunctival redness (as with windburn). Slight abrasive damage may also result. The material may
produce foreign body irritation in certain individuals.
SKIN
Skin contact with the material may be harmful; systemic effects may resultfollowing absorption.
The material is not thought to be a skin irritant (as classified using animal models). Abrasive damage however, may result
from prolonged exposures. Good hygiene practice requires that exposure be kept to a minimum and that suitable gloves be
used in an occupational setting.
Open cuts, abraded or irritated skin should not be exposed to this material.
Entry into the blood-stream, through, for example, cuts, abrasions or lesions, may produce systemic injury with harmful
effects. Examine the skin prior to the use of the material and ensure that any external damage is suitably protected.
INHALED
Inhalation of vapors, aerosols (mists, fumes) or dusts, generated by the material during the course of normal handling, may
be harmful.
The material is not thought to produce respiratory irritation (as classified using animal models). Nevertheless inhalation of
dusts, or fume, especially for prolonged periods, may produce respiratory discomfort and occasionally, distress.
Persons with impaired respiratory function, airway diseases and conditions such as emphysema or chronic bronchitis, may
incur further disability if excessive concentrations of particulate are inhaled.
This material, like natural pyrethrins, may cause central stimulation with nausea, vomiting, stomach upset, diarrhea,
hypersensitivity, inco-ordination, tremors, muscle paralysis, convulsion, coma and respiratory failure. There may be aggressive
behavior, tremor and weakness. Synthetic pyrethrins, unlike natural species, rarely cause allergic responses in humans. The
above symptoms are sometimes collectively called "Type I Syndrome".
Inhalation of pyrethrins may produce nausea, vomiting, sneezing, serious nasal discharge, nasal stuffiness and asthma. High
concentrations may produce hyperexcitability, incoordination, tremors, muscular paralysis and death (due to respiratory failure).
There have been some reports of transient facial tingling (paraesthesia) which lasts a few hours after exposure.
CHRONIC HEALTH EFFECTS
Skin contact with the material is more likely to cause a sensitization reaction in some persons compared to the general
population.
There has been some concern that this material can cause cancer or mutations but there is not enough data to make an
assessment.
Limited evidence suggests that repeated or long-term occupational exposure may produce cumulative health effects involving
organs or biochemical systems.
There is some evidence that inhaling this product is more likely to cause a sensitization reaction in some persons compared to
the general population.
Long term exposure to high dust concentrations may cause changes in lung function i.e. pneumoconiosis; caused by particles
less than 0.5 micron penetrating and remaining in the lung. Prime symptom is breathlessness; lung shadows show on X-ray.
Chronic poisoning by natural pyrethrins may result in convulsion, tetanic paralysis, rapid and uneven heart beat, liver and
kidney damage, or death.
The natural pyrethrins may produce hypersensitivity, especially following previous sensitising exposure. In general, repeated
exposures over 2 or 3 years are required to elicit a response and involve exposure to pyrethrum rather than its individual
components (including pyrethrins). The sesquiterpene lactone (pyrethrosin) and the pyrethrum glycoproteins account for the
immediate and delayed hypersensitivity seen in guinea pigs following a single injection of ground chrysanthemum in Freud's
adjuvant. Mild erythematic vesicular dermatitis (with papules), pruritus, localized oedema (particularly of the face, lips and
eyelids), rhinitis, tachycardia, pallor and sweating are the most common syndromes. An initial skin sensitisation can progress to
marked dermal oedema and skin cracking. Pyrethrum dermatitis appears to increase in hot weather or under conditions were
heavy perspiration is produced. The active ingredients of pyrethrum (except pyrethrin II) are inactive in patch tests. Those
patients allergic to ragweed pollen are particularly sensitive to pyrethrin.
Rats fed on a diet of pyrethrins for 5000 ppm for 2 years showed some signs of tissue damage including liver lesions, bile duct
proliferation and focal necrosis of the liver cells. A no-effect level of 1000 ppm found in animal experiments correspond to a
daily dose of 3600 mg/man.
One long-term mouse study provided evidence of oncogenicity in the lungs at high dose levels. Toxicological evidence from
mutagenicity studies and from long-term mouse and rat studies suggest that permethrins oncogenic potential is low, is limited
to female mice and is probably epigenetic.
Oral administration in rats produced a marginal increase in pulmonary adenomas in males.



Section 3 - COMPOSITION / INFORMATION ON INGREDIENTS
HAZARD RATINGS
Min Max

Flammability: 1
Toxicity: 2
Body Contact: 2 Min/Nil=0
Low=1
Reactivity: 1 Moderate=2
High=3
Chronic: 2 Extreme=4

NAME CAS RN %
permethrin 52645-53-1 100
being a mixture of trans and cis-isomers
(typically 60:40) as
trans-permethrin 51877-74-8
cis-permethrin 61949-76-6



Section 4 - FIRST AID MEASURES
SWALLOWED

IF SWALLOWED, REFER FOR MEDICAL ATTENTION, WHERE POSSIBLE, WITHOUT DELAY.
Where Medical attention is not immediately available or where the patient is more than 15 minutes from a hospital or unless
instructed otherwise:
For advice, contact a Poisons Information Center or a doctor.
Urgent hospital treatment is likely to be needed.
If conscious, give water to drink.
INDUCE vomiting with fingers down the back of the throat, ONLY IF CONSCIOUS. Lean patient forward or place on left
side (head-down position, if possible) to maintain open airway and prevent aspiration.
NOTE: Wear a protective glove when inducing vomiting by mechanical means.
In the mean time, qualified first-aid personnel should treat the patient following observation and employing supportive
measures as indicated by the patient's condition.
If the services of a medical officer or medical doctor are readily available, the patient should be placed in his/her care and a
copy of the MSDS should be provided. Further action will be the responsibility of the medical specialist.
If medical attention is not available on the worksite or surroundings send the patient to a hospital together with a copy of
the MSDS.
EYE
If this product comes in contact with the eyes:
Wash out immediately with fresh running water.
Ensure complete irrigation of the eye by keeping eyelids apart and away from eye and moving the eyelids by occasionally
lifting the upper and lower lids.
If pain persists or recurs seek medical attention.
Removal of contact lenses after an eye injury should only be undertaken by skilled personnel.
SKIN
If skin contact occurs:
Immediately remove all contaminated clothing, including footwear
Flush skin and hair with running water (and soap if available).
Seek medical attention in event of irritation.
INHALED

If fumes or combustion products are inhaled remove from contaminated area.
Lay patient down. Keep warm and rested.
Prostheses such as false teeth, which may block airway, should be removed, where possible, prior to initiating first aid
procedures.
Apply artificial respiration if not breathing, preferably with a demand valve resuscitator, bag-valve mask device, or pocket
mask as trained. Perform CPR if necessary.
Transport to hospital, or doctor.
NOTES TO PHYSICIAN
For chronic or short term repeated exposures to pyrethrum and synthetic pyrethroids: Mammalian toxicity of pyrethrum and
synthetic pyrethroids is low, in part because of poor bioavailability and a large first pass extraction by the liver. The most
common adverse reaction results from the potent sensitizing effects of pyrethrins. Clinical manifestations of exposure include
contact dermatitis (erythema, vesiculation, bullae); anaphylactoid reactions (pallor, tachycardia, diaphoresis) and asthma
[Ellenhorn Barceloux] In cases of skin contact, it has been reported that topical application of Vitamin E Acetate (alpha-
tocopherol acetate) has been found to have high therapeutic value, eliminating almost all skin pain associated with exposure to
synthetic pyrethroids. [Incitec].



Section 5 - FIRE FIGHTING MEASURES
Vapour Pressure (mmHG): Negligible.
Upper Explosive Limit (%): Not available
Specific Gravity (water=1): 1.190-1.272
Lower Explosive Limit (%): Not available

EXTINGUISHING MEDIA

Foam.
Dry chemical powder.
BCF (where regulations permit).
Carbon dioxide.
Water spray or fog - Large fires only.
FIRE FIGHTING

Alert Emergency Responders and tell them location and nature of hazard.
Wear breathing apparatus plus protective gloves.
Prevent, by any means available, spillage from entering drains or water course.
Use water delivered as a fine spray to control fire and cool adjacent area.
DO NOT approach containers suspected to be hot.
Cool fire exposed containers with water spray from a protected location.
If safe to do so, remove containers from path of fire.
Equipment should be thoroughly decontaminated after use.
GENERAL FIRE HAZARDS/HAZARDOUS COMBUSTIBLE PRODUCTS

Combustible solid which burns but propagates flame with difficulty.
Avoid generating dust, particularly clouds of dust in a confined or unventilated space as dusts may form an explosive
mixture with air, and any source of ignition, i.e. flame or spark, will cause fire or explosion. Dust clouds generated by the
fine grinding of the solid are a particular hazard; accumulations of fine dust may burn rapidly and fiercely if ignited.
Dry dust can be charged electrostatically by turbulence, pneumatic transport, pouring, in exhaust ducts and during
transport.
Build-up of electrostatic charge may be prevented by bonding and grounding.
Powder handling equipment such as dust collectors, dryers and mills may require additional protection measures such as
explosion venting.
Combustion products include: carbon monoxide (CO), carbon dioxide (CO2), hydrogen chloride, phosgene, other pyrolysis
products typical of burning organic material.
FIRE INCOMPATIBILITY
Avoid contamination with oxidizing agents i.e. nitrates, oxidizing acids,chlorine bleaches, pool chlorine etc. as ignition may
result.
PERSONAL PROTECTION
Glasses:
Chemical goggles.
Gloves:
Respirator:
Particulate



Section 6 - ACCIDENTAL RELEASE MEASURES
MINOR SPILLS

Remove all ignition sources.
Clean up all spills immediately.
Avoid contact with skin and eyes.
Control personal contact by using protective equipment.
Use dry clean up procedures and avoid generating dust.
Place in a suitable, labelled container for waste disposal.
Environmental hazard - contain spillage.
MAJOR SPILLS
Environmental hazard - contain spillage.
Moderate hazard.
CAUTION: Advise personnel in area.
Alert Emergency Responders and tell them location and nature of hazard.
Control personal contact by wearing protective clothing.
Prevent, by any means available, spillage from entering drains or water courses.
Recover product wherever possible.
IF DRY: Use dry clean up procedures and avoid generating dust. Collect residues and place in sealed plastic bags or other
containers for disposal. IF WET: Vacuum/shovel up and place in labelled containers for disposal.
ALWAYS: Wash area down with large amounts of water and prevent runoff into drains.
If contamination of drains or waterways occurs, advise emergency services.
PROTECTIVE ACTIONS FOR SPILL




From IERG (Canada/Australia)
Isolation Distance -
Downwind Protection Distance 10 meters




FOOTNOTES
1 PROTECTIVE ACTION ZONE is defined as the area in which people are at risk of harmful exposure. This zone assumes that random changes in wind
direction confines the vapour plume to an area within 30 degrees on either side of the predominant wind direction, resulting in a crosswind protective action
distance equal to the downwind protective action distance.
2 PROTECTIVE ACTIONS should be initiated to the extent possible, beginning with those closest to the spill and working away from the site in the downwind
direction. Within the protective action zone a level of vapour concentration may exist resulting in nearly all unprotected persons becoming incapacitated and
unable to take protective action and/or incurring serious or irreversible health effects.
3 INITIAL ISOLATION ZONE is determined as an area, including upwind of the incident, within which a high probability of localised wind reversal may expose
nearly all persons without appropriate protection to life-threatening concentrations of the material.
4 SMALL SPILLS involve a leaking package of 200 litres (55 US gallons) or less, such as a drum (jerrican or box with inner containers). Larger packages
leaking less than 200 litres and compressed gas leaking from a small cylinder are also considered "small spills". LARGE SPILLS involve many small leaking
packages or a leaking package of greater than 200 litres, such as a cargo tank, portable tank or a "one -tonne" compressed gas cylinder.
5 Guide 171 is taken from the US DOT emergency response guide book.
6 IERG information is derived from CANUTEC - Transport Canada.


ACUTE EXPOSURE GUIDELINE LEVELS (AEGL) (in ppm)
AEGL 1: The airborne concentration of a substance above which it is predicted
that the general population, including susceptible individuals, could
experience notable discomfort, irritation, or certain asymptomatic nonsensory
effects. However, the effects are not disabling and are transient and
reversible upon cessation of exposure.
AEGL 2: The airborne concentration of a substance above which it is predicted
that the general population, including susceptible individuals, could
experience irreversible or other serious, long-lasting adverse health effects
or an impaired ability to escape.
AEGL 3: The airborne concentration of a substance above which it is predicted
that the general population, including susceptible individuals, could
experience life-threatening health effects or death.



Section 7 - HANDLING AND STORAGE
PROCEDURE FOR HANDLING

Avoid all personal contact, including inhalation.
Wear protective clothing when risk of exposure occurs.
Use in a well-ventilated area.
Prevent concentration in hollows and sumps.
DO NOT enter confined spaces until atmosphere has been checked.
DO NOT allow material to contact humans, exposed food or food utensils.
Avoid contact with incompatible materials.
When handling, DO NOT eat, drink or smoke.
Keep containers securely sealed when not in use.
Avoid physical damage to containers.
Always wash hands with soap and water after handling.
Work clothes should be laundered separately.
Launder contaminated clothing before re-use.
Use good occupational work practice.
Observe manufacturer's storing and handling recommendations.
Atmosphere should be regularly checked against established exposure standards to ensure safe working conditions are
maintained.
Empty containers may contain residual dust which has the potential to accumulate following settling. Such dusts may explode
in the presence of an appropriate ignition source.
Do NOT cut, drill, grind or weld such containers
In addition ensure such activity is not performed near full, partially empty or empty containers without appropriate
workplace safety authorisation or permit.
RECOMMENDED STORAGE METHODS
Glass container.
Polyethylene or polypropylene container.
Check all containers are clearly labelled and free from leaks.
STORAGE REQUIREMENTS
Observe manufacturer's storing and handling recommendations.
SAFE STORAGE WITH OTHER CLASSIFIED CHEMICALS




+ X + X X +
X: Must not be stored together
O: May be stored together with specific preventions
+: May be stored together



Section 8 - EXPOSURE CONTROLS / PERSONAL PROTECTION
EXPOSURE CONTROLS
TWA TWA STEL STEL Peak Peak TWA Notes
Source Material
ppm mg/m?ppm mg/m?ppm mg/m?F/CC
Canada - Alberta Occupational permethrin (Turpentine and 20 111
Exposure Limits selected monoterpenes)
US - Oregon Permissible permethrin (Inert or Nuisance 10 *
10 *
Exposure Limits (Z3) Dust: (d) Total dust)
US OSHA Permissible Exposure permethrin (Inert or Nuisance 5
Levels (PELs) - Table Z3 Dust: (d) Respirable fraction)
US OSHA Permissible Exposure permethrin (Inert or Nuisance
15
Levels (PELs) - Table Z3 Dust: (d) Total dust)
US - Hawaii Air Contaminant permethrin (Particulates not other
10
Limits wise regulated - Total dust)
permethrin (Particulates not other
US - Hawaii Air Contaminant
wise regulated - Respirable 5
Limits
fraction)
US - Oregon Permissible permethrin (Inert or Nuisance 5 *
Exposure Limits (Z3) Dust: (d) Respirable fraction)
US - Tennessee Occupational permethrin (Particulates not
Exposure Limits - Limits For Air otherwise regulated Respirable 5
Contaminants fraction)
US - Wyoming Toxic and permethrin (Particulates not
Hazardous Substances Table Z1 otherwise regulated (PNOR)(f)- 5
Limits for Air Contaminants Respirable fraction)
permethrin (Particulates not
US - Michigan Exposure Limits
otherwise regulated, Respirable 5
for Air Contaminants
dust)
US - Oregon Permissible trans-permethrin (Inert or 10 *
Exposure Limits (Z3) Nuisance Dust: (d) Total dust)
trans-permethrin (Inert or
US OSHA Permissible Exposure
Nuisance Dust: (d) Respirable 5
Levels (PELs) - Table Z3
fraction)
US OSHA Permissible Exposure trans-permethrin (Inert or 15
Levels (PELs) - Table Z3 Nuisance Dust: (d) Total dust)
US - Hawaii Air Contaminant trans-permethrin (Particulates not 10
Limits other wise regulated - Total dust)
trans-permethrin (Particulates not
US - Hawaii Air Contaminant
other wise regulated - Respirable 5
Limits
fraction)
trans-permethrin (Inert or
US - Oregon Permissible
Nuisance Dust: (d) Respirable 5 *
Exposure Limits (Z3)
fraction)
US - Tennessee Occupational trans-permethrin (Particulates not
Exposure Limits - Limits For Air otherwise regulated Respirable 5
Contaminants fraction)
US - Wyoming Toxic and trans-permethrin (Particulates not
Hazardous Substances Table Z1 otherwise regulated (PNOR)(f)- 5
Limits for Air Contaminants Respirable fraction)
trans-permethrin (Particulates not
US - Michigan Exposure Limits
otherwise regulated, Respirable 5
for Air Contaminants
dust)
US - Oregon Permissible cis-permethrin (Inert or Nuisance 10 *
Exposure Limits (Z3) Dust: (d) Total dust)
US OSHA Permissible Exposure cis-permethrin (Inert or Nuisance
5
Levels (PELs) - Table Z3 Dust: (d) Respirable fraction)
US OSHA Permissible Exposure cis-permethrin (Inert or Nuisance
15
Levels (PELs) - Table Z3 Dust: (d) Total dust)
US - Hawaii Air Contaminant cis-permethrin (Particulates not 10
Limits other wise regulated - Total dust)
cis-permethrin (Particulates not
US - Hawaii Air Contaminant
other wise regulated - Respirable 5
Limits
fraction)
US - Oregon Permissible cis-permethrin (Inert or Nuisance 5 *
Exposure Limits (Z3) Dust: (d) Respirable fraction)
US - Tennessee Occupational cis-permethrin (Particulates not
Exposure Limits - Limits For Air otherwise regulated Respirable 5
Contaminants fraction)
US - Wyoming Toxic and cis-permethrin (Particulates not
Hazardous Substances Table Z1 otherwise regulated (PNOR)(f)- 5
Limits for Air Contaminants Respirable fraction)
cis-permethrin (Particulates not
US - Michigan Exposure Limits
otherwise regulated, Respirable 5
for Air Contaminants
dust)

MATERIAL DATA
CIS-PERMETHRIN:
PERMETHRIN:
TRANS-PERMETHRIN:
For pyrethrum and its active components:
IDLH Level: 5000 mg/m3
Pyrethrum and/or its active components, the pyrethrins, cause dermatitis and sensitisation. Ingestion of massive doses can
induce convulsions, vomiting and bradycardia. Animals exhibit liver damage and death through respiratory failure. The
recommended TLV-TWA is equivalent to an occupational dose of 0.7 mg/kg/day and is thought to minimise the potential for
systemic effects. The TLV may NOT prevent the development of hypersensitisation, particularly among those with pre-existing
allergies to pollen and related agents.
Synthetic pyrethrins (pyrethroids) often produce a range of toxic effects resembling pyrethrum; in the absence of a regulated
exposure limit prudence dictates that the value for pyrethrum serves as a reference.
PERSONAL PROTECTION




Consult your EHS staff for recommendations
EYE

Safety glasses with side shields.
Chemical goggles.
Contact lenses pose a special hazard; soft lenses may absorb irritants and all lenses concentrate them. DO NOT wear
contact lenses.
HANDS/FEET
NOTE: The material may produce skin sensitization in predisposed individuals. Care must be taken, when removing gloves
and other protective equipment, to avoid all possible skin contact.
Suitability and durability of glove type is dependent on usage. Important factors in the selection of gloves include: such as:
frequency and duration of contact,
chemical resistance of glove material,
glove thickness and
dexterity
Select gloves tested to a relevant standard (e.g. Europe EN 374, US F739).
When prolonged or frequently repeated contact may occur, a glove with a protection class of 5 or higher (breakthrough time
greater than 240 minutes according to EN 374) is recommended.
When only brief contact is expected, a glove with a protection class of 3 or higher (breakthrough time greater than 60
minutes according to EN 374) is recommended.
Contaminated gloves should be replaced.
Gloves must only be worn on clean hands. After using gloves, hands should be washed and dried thoroughly. Application of a
non-perfumed moisturiser is recommended.
Experience indicates that the following polymers are suitable as glove materials for protection against undissolved, dry solids,
where abrasive particles are not present.
polychloroprene
nitrile rubber
butyl rubber
fluorocaoutchouc
polyvinyl chloride
Gloves should be examined for wear and/ or degradation constantly.
OTHER

Overalls.
P.V.C. apron.
Barrier cream.
Skin cleansing cream.
Eye wash unit.

Respirators may be necessary when engineering and administrative controls do not adequately prevent exposures.
The decision to use respiratory protection should be based on professional judgment that takes into account toxicity
information, exposure measurement data, and frequency and likelihood of the worker's exposure - ensure users are not
subject to high thermal loads which may result in heat stress or distress due to personal protective equipment (powered,
positive flow, full face apparatus may be an option).
Published occupational exposure limits, where they exist, will assist in determining the adequacy of the selected respiratory
. These may be government mandated or vendor recommended.
Certified respirators will be useful for protecting workers from inhalation of particulates when properly selected and fit tested
as part of a complete respiratory protection program.
Use approved positive flow mask if significant quantities of dust becomes airborne.
Try to avoid creating dust conditions.
RESPIRATOR

Protection Factor Half-Face Respirator Full-Face Respirator Powered Air Respirator
10 x PEL P1 - PAPR-P1
Air-line* - -
50 x PEL Air-line** P2 PAPR-P2
100 x PEL - P3 -
Air-line* -
100+ x PEL - Air-line** PAPR-P3
* - Negative pressure demand ** - Continuous flow
Explanation of Respirator Codes:
Class 1 low to medium absorption capacity filters.
Class 2 medium absorption capacity filters.
Class 3 high absorption capacity filters.
PAPR Powered Air Purifying Respirator (positive pressure) cartridge.
Type A for use against certain organic gases and vapors.
Type AX for use against low boiling point organic compounds (less than 65篊).
Type B for use against certain inorganic gases and other acid gases and vapors.
Type E for use against sulfur dioxide and other acid gases and vapors.
Type K for use against ammonia and organic ammonia derivatives
Class P1 intended for use against mechanically generated particulates of sizes most commonly encountered in industry, e.g.
asbestos, silica.
Class P2 intended for use against both mechanically and thermally generated particulates, e.g. metal fume.
Class P3 intended for use against all particulates containing highly toxic materials, e.g. beryllium.
The local concentration of material, quantity and conditions of use determine the type of personal protective equipment
required.
Use appropriate NIOSH-certified respirator based on informed professional judgement. In conditions where no reasonable
estimate of exposure can be made, assume the exposure is in a concentration IDLH and use NIOSH-certified full face
pressure demand SCBA with a minimum service life of 30 minutes, or a combination full facepiece pressure demand SAR with
auxiliary self-contained air supply. Respirators provided only for escape from IDLH atmospheres shall be NIOSH-certified for
escape from the atmosphere in which they will be used.
ENGINEERING CONTROLS

Local exhaust ventilation is required where solids are handled as powders or crystals; even when particulates are relatively
large, a certain proportion will be powdered by mutual friction.
Exhaust ventilation should be designed to prevent accumulation and recirculation of particulates in the workplace.
If in spite of local exhaust an adverse concentration of the substance in air could occur, respiratory protection should be
considered. Such protection might consist of:
(a): particle dust respirators, if necessary, combined with an absorption cartridge;
(b): filter respirators with absorption cartridge or canister of the right type;
(c): fresh-air hoods or masks
Build-up of electrostatic charge on the dust particle, may be prevented by bonding and grounding.
Powder handling equipment such as dust collectors, dryers and mills may require additional protection measures such as
explosion venting.
Air contaminants generated in the workplace possess varying "escape" velocities which, in turn, determine the "capture
velocities" of fresh circulating air required to efficiently remove the contaminant.
Type of Contaminant: Air Speed:
direct spray, spray painting in shallow booths, drum filling,
conveyer loading, crusher dusts, gas discharge (active 1-2.5 m/s (200-500 f/min.)
generation into zone of rapid air motion)
grinding, abrasive blasting, tumbling, high speed wheel
generated dusts (released at high initial velocity into zone of 2.5-10 m/s (500-2000 f/min.)
very high rapid air motion).
Within each range the appropriate value depends on:
Lower end of the range Upper end of the range
1: Room air currents minimal or favorable to capture 1: Disturbing room air currents
2: Contaminants of low toxicity or of nuisance value only 2: Contaminants of high toxicity
3: Intermittent, low production. 3: High production, heavy use
4: Large hood or large air mass in motion 4: Small hood-local control only
Simple theory shows that air velocity falls rapidly with distance away from the opening of a simple extraction pipe. Velocity
generally decreases with the square of distance from the extraction point (in simple cases). Therefore the air speed at the
extraction point should be adjusted, accordingly, after reference to distance from the contaminating source. The air velocity at
the extraction fan, for example, should be a minimum of 4-10 m/s (800-2000 f/min) for extraction of crusher dusts generated 2
meters distant from the extraction point. Other mechanical considerations, producing performance deficits within the extraction
apparatus, make it essential that theoretical air velocities are multiplied by factors of 10 or more when extraction systems are
installed or used.



Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL PROPERTIES
Solid.
Does not mix with water.
Sinks in water.
State Divided solid Molecular Weight 391.31
Melting Range (癋) 95~ Viscosity Not Applicable
Boiling Range (癋) 428 Solubility in water (g/L) Partly miscible
Flash Point (癋) Not available pH (1% solution) Not applicable
Decomposition Temp (癋) Not available. pH (as supplied) Not applicable
Autoignition Temp (癋) Not available. Vapour Pressure (mmHG) Negligible.
Upper Explosive Limit (%) Not available Specific Gravity (water=1) 1.190-1.272
Lower Explosive Limit (%) Not available Relative Vapor Density (air=1) 13.5
Volatile Component (%vol) Negligible Evaporation Rate Not available
APPEARANCE
Colourless crystals at temperatures below melting point, or a pale yellow viscous liquid. Soluble or miscible with organic
solvents, except ethylene glycol. Exists as two isomers, the alpha cis isomer is more active against insects and arthropods.
Usually transported as an emulsifiable racemic concentrate. The material is rapidly degraded in soil and biodegraded in
mammals.



Section 10 - CHEMICAL STABILITY
CONDITIONS CONTRIBUTING TO INSTABILITY

Presence of incompatible materials.
Product is considered stable.
Hazardous polymerization will not occur.

STORAGE INCOMPATIBILITY
Pyrethrins and permethrins:
are unstable in the presence of light, heat, moisture and air
are hydrolysed by oxygen and/ or sunlight
may react with strong oxidisers to produce fire and explosions
are incompatible with alkalis
Avoid strong acids, bases.
Avoid reaction with oxidizing agents.
For incompatible materials - refer to Section 7 - Handling and Storage.



Section 11 - TOXICOLOGICAL INFORMATION
permethrin
TOXICITY AND IRRITATION
unless otherwise specified data extracted from RTECS - Register of Toxic Effects of Chemical Substances.
TOXICITY IRRITATION
Oral (rat) LD50: 383 mg/kg Skin (rabbit): 500 mg/24h - Mild
Inhalation (rat) LC50: 485 mg/m?br> Dermal (rat) LD50: 1750 mg/kg
Dermal (mouse) LD50: >10000 mg/kg
Oral (rabbit) LD50: 4000 mg/kg
Dermal (rabbit) LD50: >2000 mg/kg
Oral (g.pig) LD50: 4000 mg/kg
Oral (rat) LD50: 6000 mg/kg *
cis/trans (None) ratio: 25 75: in corn oil
[ * The Pesticides Manual, Incorporating The Agrochemicals Handbook, 10th Edition, Editor Clive Tomlin, 1994, British Crop
Protection Council].
Oral (rat) LD50: 430-4000 mg/kg *
Oral (mouse) LD50: 540-2960 mg/kg *
cis/trans ratio: 40:60
cis/trans ratio: 20:80
ADI: 0.05 mg/kg for nominal cis-trans 40:60 and 25:75 isomers only
CARCINOGEN
Non-arsenical insecticides (occupational International Agency for Research on Cancer (IARC) - Group 2A
exposures in spraying and application of) Agents Reviewed by the IARC Monographs
International Agency for Research on Cancer (IARC) -
Permethrin Group 3
Agents Reviewed by the IARC Monographs
US Environmental Defense Scorecard Suspected Reference(s) OPP-
PERMETHRIN
Carcinogens CAN



Section 12 - ECOLOGICAL INFORMATION
Refer to data for ingredients, which follows:
CIS-PERMETHRIN:
PERMETHRIN:
Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
TRANS-PERMETHRIN:
CIS-PERMETHRIN:
PERMETHRIN:
DO NOT discharge into sewer or waterways.
Substances containing unsaturated carbons are ubiquitous in indoor environments. They result from many sources (see
below). Most are reactive with environmental ozone and many produce stable products which are thought to adversely affect
human health.The potential for surfaces in an enclosed space to facilitate reactions should be considered.
Unsaturated substances (Reactive Major Stable Products produced following
Source of unsaturated substances
Emissions) reaction with ozone.
Methacrolein, methyl vinyl ketone,
Isoprene, nitric oxide, squalene,
nitrogen dioxide, acetone, 6MHQ, geranyl
Occupants (exhaled breath, ski oils, unsaturated sterols, oleic acid and other
acetone, 4OPA, formaldehyde, nonanol,
personal care products) unsaturated fatty acids, unsaturated
decanal, 9-oxo-nonanoic acid, azelaic
oxidation products
acid, nonanoic acid.
Formaldehyde, 4-AMC, pinoaldehyde,
Soft woods, wood flooring, including
Isoprene, limonene, alpha-pinene, other pinic acid, pinonic acid, formic acid,
cypress, cedar and silver fir boards,
terpenes and sesquiterpenes methacrolein, methyl vinyl ketone, SOAs
houseplants
including ultrafine particles
4-Phenylcyclohexene, 4- Formaldehyde, acetaldehyde,
vinylcyclohexene, styrene, 2-ethylhexyl
Carpets and carpet backing benzaldehyde, hexanal, nonanal, 2-
acrylate, unsaturated fatty acids and nonenal
esters
Propanal, hexanal, nonanal, 2-heptenal,
Linoleum and paints/polishes containing
Linoleic acid, linolenic acid 2-nonenal, 2-decenal, 1-pentene-3-one,
linseed oil
propionic acid, n-butyric acid
Latex paint Residual monomers Formaldehyde
Formaldehyde, acetaldehyde,
glycoaldehyde, formic acid, acetic acid,
Limonene, alpha-pinene, terpinolene,
hydrogen and organic peroxides, acetone,
Certain cleaning products, polishes, alpha-terpineol, linalool, linalyl acetate
benzaldehyde, 4-hydroxy-4-methyl-5-
waxes, air fresheners and other terpenoids, longifolene and
hexen-1-al, 5-ethenyl-dihydro-5-methyl-
other sesquiterpenes
2(3H)-furanone, 4-AMC, SOAs including
ultrafine particles
Formaldehyde, methacrolein, methyl vinyl
Natural rubber adhesive Isoprene, terpenes
ketone
Photocopier toner, printed paper, styrene Styrene Formaldehyde, benzaldehyde
polymers
Formaldehyde, benzaldehyde, hexanal,
Environmental tobacco smoke Styrene, acrolein, nicotine glyoxal, N-methylformamide,
nicotinaldehyde, cotinine
Acetone, geranyl acetone, 6MHO, 40PA,
Squalene, unsaturated sterols, oleic acid formaldehyde, nonanal, decanal, 9-oxo-
Soiled clothing, fabrics, bedding
and other saturated fatty acids nonanoic acid, azelaic acid, nonanoic
acid
Formaldehyde, nonanal, and other
Unsaturated fatty acids from plant waxes, aldehydes; azelaic acid; nonanoic acid;
Soiled particle filters leaf litter, and other vegetative debris; 9-oxo-nonanoic acid and other oxo-
soot; diesel particles acids; compounds with mixed functional
groups (=O, -OH, and -COOH)
Unsaturated fatty acids and esters,
Ventilation ducts and duct liners C5 to C10 aldehydes
unsaturated oils, neoprene
Oxidized polycyclic aromatic
"Urban grime" Polycyclic aromatic hydrocarbons
hydrocarbons
Formaldehyde, 4-AMC, acetone, 4-
Perfumes, colognes, essential oils (e.g. Limonene, alpha-pinene, linalool, linalyl hydroxy-4-methyl-5-hexen-1-al, 5-
lavender, eucalyptus, tea tree) acetate, terpinene-4-ol, gamma-terpinene ethenyl-dihydro-5-methyl-2(3H) furanone,
SOAs including ultrafine particles
Formaldehyde, 4-AMC, pinonaldehyde,
acetone, pinic acid, pinonic acid, formic
Overall home emissions Limonene, alpha-pinene, styrene
acid, benzaldehyde, SOAs including
ultrafine particles
Abbreviations: 4-AMC, 4-acetyl-1-methylcyclohexene; 6MHQ, 6-methyl-5-heptene-2-one, 4OPA, 4-oxopentanal, SOA,
Secondary Organic Aerosols
Reference: Charles J Weschler; Environmental Helath Perspectives, Vol 114, October 2006.
Synthetic pyrethroids are examples of optimized insecticidal activity, selectivity and tailored environmental persistence.
Through modifications of both acid and alcohol portions of the ester, compounds of desired residual activity have been
synthesized whilst maintaining a biodegradable ester linkage. These compounds are generally very toxic to crustaceans and
fish in laboratory bioassays. Under field conditions, however the residues are tightly bound in sediment, and ingested residues
are readily metabolized. Their toxicity in natural systems are generally less than laboratory test data might indicate. They are
generally non-persistent in the environment.
Do NOT allow product to come in contact with surface waters or to intertidal areas below the mean high water mark. Do not
contaminate water when cleaning equipment or disposing of equipment wash-waters.
Wastes resulting from use of the product must be disposed of on site or at approved waste sites.
PERMETHRIN:
Fish LC50 (96hr.) (mg/l): 0.0006- 0.0
log Kow (Sangster 1997): 6.5
log Pow (Verschueren 1983): 3.48
The material is classified as an ecotoxin* because the Fish LC50 (96 hours) is less than or equal to 0.1 mg/l
* Classification of Substances as Ecotoxic (Dangerous to the Environment)
Appendix 8, Table 1
Compiler's Guide for the Preparation of International Chemical Safety Cards: 1993 Commission of the European Communities.
log Kow: 3.48-6.5
Half-life (hr) soil: 288-648
BCF: 30-2480*
* Muir et al. 1994 Aquatic Toxicology 29(3/4)223-240
Toxicity Class WHO: II (Ambush); III (Outflank)
In soil and water degradation rapid:
DT50 in soil <38 days (pH 4.2-7.7 o.m. 1.3-51.3%)
Oral (chicken) LD50: 7000 mg/kg
Oral (quail) LD50: 13500 mg/kg
Oral (duck) LD50: 11300 mg/kg
TRANS-PERMETHRIN:
Toxic to aquatic organisms.
May cause long-term adverse effects in the aquatic environment.
CIS-PERMETHRIN:
Ecotoxicity
Ingredient Persistence: Water/Soil Persistence: Air Bioaccumulation Mobility
permethrin HIGH HIGH LOW



Section 13 - DISPOSAL CONSIDERATIONS
Disposal Instructions
All waste must be handled in accordance with local, state and federal regulations.
?Puncture containers to prevent re-use and bury at an authorized landfill.
Legislation addressing waste disposal requirements may differ by country, state and/ or territory. Each user must refer to laws
operating in their area. In some areas, certain wastes must be tracked.
A Hierarchy of Controls seems to be common - the user should investigate:
Reduction
Reuse
Recycling
Disposal (if all else fails)
This material may be recycled if unused, or if it has not been contaminated so as to make it unsuitable for its intended use.
Shelf life considerations should also be applied in making decisions of this type. Note that properties of a material may change
in use, and recycling or reuse may not always be appropriate.
DO NOT allow wash water from cleaning equipment to enter drains. Collect all wash water for treatment before disposal.
Recycle wherever possible.
Consult manufacturer for recycling options or consult Waste Management Authority for disposal if no suitable treatment or
disposal facility can be identified.
Dispose of by: Burial in a licensed land-fill or Incineration in a licensed apparatus (after admixture with suitable combustible
material)
Decontaminate empty containers. Observe all label safeguards until containers are cleaned and destroyed.



Section 14 - TRANSPORTATION INFORMATION




DOT:
Symbols: G Hazard class or Division: 9
Identification Numbers: UN3077 PG: III
8, 146, 335, B54, IB8, IP3,
Label Codes: 9 Special provisions:
N20, T1, TP33
Packaging: Exceptions: 155 Packaging: Non-bulk: 213
Quantity limitations:
Packaging: Exceptions: 155 No limit
Passenger aircraft/rail:
Quantity Limitations: Cargo No limit Vessel stowage: Location: A
aircraft only:
Vessel stowage: Other: None
Hazardous materials descriptions and proper shipping names:
Environmentally hazardous substance, solid, n.o.s
Air Transport IATA:
ICAO/IATA Class: 9 ICAO/IATA Subrisk:
UN/ID Number: 3077 Packing Group: III
Special provisions: A97

Shipping Name: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. *(CONTAINS PERMETHRIN)
Maritime Transport IMDG:
IMDG Class: 9 IMDG Subrisk: None
UN Number: 3077 Packing Group: III
EMS Number: F-A,S-F Special provisions: 274 909 944
Limited Quantities: 5 kg
Shipping Name: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S.(contains permethrin)



Section 15 - REGULATORY INFORMATION
permethrin (CAS: 52645-53-1,54774-45-7,57608-04-5,93388-66-0,63364-00-1,60018-94-2,75497-64-2)
is found on the following regulatory lists;
"Canada - Saskatchewan Environmental Persistent or Chronic Hazardous Substances","OSPAR Substances removed from the
List of Substances of Possible Concern","US - Massachusetts Oil & Hazardous Material List","US List of Lists - Consolidated
List of Chemicals Subject to the Emergency Planning and Community Right-to-Know Act (EPCRA) and Section 112(r) of the
Clean Air Act","WHO Guidelines for Drinking-water Quality - Chemicals for which guideline values have not been established"
Regulations for ingredients
trans-permethrin (CAS: 51877-74-8) is found on the following regulatory lists;
"Canada - Saskatchewan Environmental Persistent or Chronic Hazardous Substances","US - California Occupational Safety
and Health Regulations (CAL/OSHA) - Hazardous Substances List","US - Massachusetts Oil & Hazardous Material List","US -
Pennsylvania - Hazardous Substance List","US CWA (Clean Water Act) - Reportable Quantities of Designated Hazardous
Substances","US Department of Transportation (DOT) List of Hazardous Substances and Reportable Quantities - Hazardous
Substances Other Than Radionuclides","US List of Lists - Consolidated List of Chemicals Subject to the Emergency Planning
and Community Right-to-Know Act (EPCRA) and Section 112(r) of the Clean Air Act"
cis-permethrin (CAS: 61949-76-6) is found on the following regulatory lists;
"Canada - Saskatchewan Environmental Persistent or Chronic Hazardous Substances","US - California Occupational Safety
and Health Regulations (CAL/OSHA) - Hazardous Substances List","US - Massachusetts Oil & Hazardous Material List","US -
Pennsylvania - Hazardous Substance List","US CWA (Clean Water Act) - Reportable Quantities of Designated Hazardous
Substances","US Department of Transportation (DOT) List of Hazardous Substances and Reportable Quantities - Hazardous
Substances Other Than Radionuclides","US List of Lists - Consolidated List of Chemicals Subject to the Emergency Planning
and Community Right-to-Know Act (EPCRA) and Section 112(r) of the Clean Air Act"



Section 16 - OTHER INFORMATION
LIMITED EVIDENCE
Cumulative effects may result following exposure*.
Limited evidence of a carcinogenic effect*.
Possible respiratory sensitizer*.
* (limited evidence).
Denmark Advisory list for selfclassification of dangerous substances
Substance CAS Suggested codes cis- permethrin 61949- 76- 6 Xn Carc3; R40 Mut3; R68 N R51/53
Ingredients with multiple CAS Nos
Ingredient Name CAS
permethrin 52645-53-1, 54774-45-7, 57608-04-5, 93388-66-0, 63364-00-1, 60018-94-2, 75497-64-2


Reasonable care has been taken in the preparation of this information, but the author makes no warranty
of merchantability or any other warranty, expressed or implied, with respect to this information. The author
makes no representations and assumes no liability for any direct, incidental or consequential damages
resulting from its use. For additional technical information please call our toxicology department on +800
CHEMCALL.
Classification of the mixture and its individual components has drawn on official and authoritative sources as well as
independent review by the Chemwatch Classification committee using available literature references.
A list of reference resources used to assist the committee may be found at:
www.chemwatch.net/references.
The (M)SDS is a Hazard Communication tool and should be used to assist in the Risk Assessment. Many factors determine
whether the reported Hazards are Risks in the workplace or other settings. Risks may be determined by reference to
Exposures Scenarios. Scale of use, frequency of use and current or available engineering controls must be considered.


This document is copyright. Apart from any fair dealing for the purposes of private study, research, review
or criticism, as permitted under the Copyright Act, no part may be reproduced by any process without
written permission from CHEMWATCH. TEL (+61 3) 9572 4700.

Issue Date: Oct-22-2009
Print Date:Apr-21-2010

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