Material Safety Data Sheet
ECHO?A
1. PRODUCT AND COMPANY IDENTIFICATION
Company
Arkema Inc.
2000 Market Street
Philadelphia, Pennsylvania 19103
Functional Additives
Customer Service Telephone Number: (800) 331-7654
(Monday through Friday, 8:30 AM to 5:30 PM EST)
Emergency Information
Transportation: CHEMTREC: (800) 424-9300
(24 hrs., 7 days a week)
Medical: Rocky Mountain Poison Center: (303) 623-5716
(24 hrs., 7 days a week)
Product Information
Product name: ECHO?A
Synonyms: Mercapto-thiodiazole derivative
Molecular formula: C9 H6 N2 OS3
Chemical family: Thioester
Product use: Initiator
2. HAZARDS IDENTIFICATION
Emergency Overview
Color: off-white
Physical state: solid
Form: powder
Odor: mild, pungent
DANGER!
MAY FORM COMBUSTIBLE DUST AIR MIXTURES.
CAUSES EYE BURNS.
MAY CAUSE BLINDNESS.
MAY CAUSE SKIN IRRITATION.
MAY CAUSE ALLERGIC SKIN REACTION.
PROCESSING MAY RELEASE VAPORS AND/OR FUMES WHICH CAUSE EYE, SKIN AND RESPIRATORY
TRACT IRRITATION.
Potential Health Effects
Primary routes of exposure:
Inhalation and skin contact.
Signs and symptoms of acute exposure:
Corrosive to the eyes. Causes burns. May cause skin irritation. Allergic skin reaction: redness, rash. Effects due to
processing releases: Irritating to eyes, respiratory system and skin.
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Material Safety Data Sheet
ECHO?A
Skin:
Moderately irritating. May cause allergic skin reaction. (based on components)
Eyes:
Corrosive. (based on components)
Ingestion:
Practically nontoxic. (based on components)
Remarks:
This product may release fume and/or vapor of variable composition depending on processing time and temperature.
Decomposition during processing may liberate toxic and/or corrosive vapor.
3. COMPOSITION/INFORMATION ON INGREDIENTS
Chemical Name CAS-No. Wt/Wt OSHA
Hazardous
Thiadiazole derivative Proprietary* <= 100 % Y
Benzoic acid 65-85-0 >= 1 - < 5 % Y
Sodium chloride (NaCl) 7647-14-5 >= 1 - < 5 % Y
The substance(s) marked with a "Y" in the Hazard column above, are those identified as hazardous chemicals under
the criteria of the OSHA Hazard Communication Standard (29 CFR 1910.1200).
*The specific chemical identity is withheld because it is trade secret information of Arkema Inc.
This material is classified as hazardous under Federal OSHA regulation.
4. FIRST AID MEASURES
Inhalation:
If inhaled, remove victim to fresh air.
Skin:
In case of contact, immediately flush skin with soap and plenty of water. Remove contaminated clothing and shoes.
Get medical attention if symptoms occur. Wash clothing before reuse. Thoroughly clean shoes before reuse.
Eyes:
In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical attention
immediately.
Ingestion:
If swallowed, DO NOT induce vomiting. Get medical attention. Never give anything by mouth to an unconscious
person.
5. FIRE-FIGHTING MEASURES
Flash point Not determined
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ECHO?A
Auto-ignition temperature: Not determined
Lower flammable limit (LFL): Not determined
Upper flammable limit (UFL): Not determined
Extinguishing media (suitable):
Water spray, Carbon dioxide (CO2), Foam, Dry chemical
Protective equipment:
Fire fighters and others who may be exposed to products of combustion should wear full fire fighting turn out gear
(full Bunker Gear) and self-contained breathing apparatus (pressure demand / NIOSH approved or equivalent).
Fire fighting equipment should be thoroughly decontaminated after use.
Further firefighting advice:
Fight fire with large amounts of water from a safe distance.
Do not use a solid stream of water.
A solid stream of water can cause a dust explosion.
Closed containers of this material may explode when subjected to heat from surrounding fire.
Cool closed containers exposed to fire with water spray.
After a fire, wait until the material has cooled to room temperature before initiating clean-up activities.
Fire and explosion hazards:
Dust clouds generated during handling and/or storage can form explosive mixtures with air. Dust explosion
characteristics vary with the particle size, particle shape, moisture content, contaminants, and other variables.
Note: Check that all equipment is properly grounded and installed to satisfy electrical classification requirements. As
with any dry material, pouring this material or allowing it to free-fall or to be conveyed through chutes or pipes can
accumulate and generate electrostatic sparks, potentially causing ignition of the material itself, or of any flammable
materials which may come into contact with the material or its container.
When burned, the following hazardous products of combustion can occur:
Carbon oxides
Sulphur oxides
Nitrogen oxides
6. ACCIDENTAL RELEASE MEASURES
In case of spill or leak:
Stop the leak if you can do so without risk. Ventilate the area. Avoid dust formation. Wet down (dampen) the spilled
material with water. Sweep or scoop up using non-sparking tools and place into suitable container for disposal. The
sweepings should be wetted down further with water. Do not allow to enter drains or waterways. Dispose of
promptly. Clean contaminated floors and objects thoroughly with water and detergents, observing environmental
regulations. Consult a regulatory specialist to determine appropriate state or local reporting requirements, for
assistance in waste characterization and/or hazardous waste disposal and other requirements listed in pertinent
environmental permits.
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7. HANDLING AND STORAGE
Handling
General information on handling:
Keep away from heat, sparks and flames.
Do not get in eyes, on skin, or on clothing.
Avoid breathing processing fumes or vapors.
Avoid breathing dust.
Prevent dust accumulation.
Avoid creating dust in handling, transfer or clean up.
Keep container tightly closed.
Use only with adequate ventilation.
Check that all equipment is properly grounded and installed to satisfy electrical classification requirements.
Wash thoroughly after handling.
Container hazardous when empty.
Emptied container retains product residue.
Follow label warnings even after container is emptied.
RESIDUAL DUSTS MAY EXPLODE ON IGNITION.
DO NOT CUT, DRILL, GRIND, OR WELD ON OR NEAR THIS CONTAINER.
Improper disposal or reuse of this container may be dangerous and/or illegal.
Do not reuse container as it may retain hazardous product residue.
Storage
General information on storage conditions:
Outside or detached storage is preferred. Store in well ventilated area away from heat and sources of ignition such
as flame, sparks and static electricity. Ensure that all storage and handling equipment is properly grounded and
installed to satisfy electrical classification requirements. Static electricity may accumulate when transferring material.
All storage containers, including drums, cylinders and IBCs, must be bonded and grounded during filling and
emptying operations. Store out of direct sunlight in a cool well-ventilated place. Store away from combustibles and
materials to avoid. Refer also to National Fire Protection Association (NFPA) Code 432, Code for the Storage of
Organic Peroxide Formulations.
Storage stability ?Remarks:
Stable under normal conditions.
Storage incompatibility ?General:
Strong oxidizing agents
Temperature tolerance ?Do not store above:
86 癋 (30 癈)
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Airborne Exposure Guidelines:
Particles Not Otherwise Specified / Nuisance Dust
US. ACGIH Threshold Limit Values
Form: Inhalable particles.
Time Weighted Average (TWA): 10 mg/m3
Form: Respirable particles.
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ECHO?A
Time Weighted Average (TWA): 3 mg/m3
US. OSHA Table Z-1 Limits for Air Contaminants (29 CFR 1910.1000)
Form: Respirable fraction.
PEL: 5 mg/m3
Remarks: All inert or nuisance dusts, whether mineral,
inorganic, or organic, not listed specifically by
substance name are covered by the Particulates
Not Otherwise Regulated (PNOR) limit which is
the same as the inert or nuisance dust limit of
Table Z-3.
Form: Total dust.
PEL: 15 mg/m3
Remarks: All inert or nuisance dusts, whether mineral,
inorganic, or organic, not listed specifically by
substance name are covered by the Particulates
Not Otherwise Regulated (PNOR) limit which is
the same as the inert or nuisance dust limit of
Table Z-3.
Only those components with exposure limits are printed in this section. Limits with skin contact designation above have skin contact
effect. Air sampling alone is insufficient to accurately quantitate exposure. Measures to prevent significant cutaneous absorption
may be required. Limits with a sensitizer designation above mean that exposure to this material may cause allergic reactions.
Engineering controls:
Investigate engineering techniques to reduce exposures below airborne exposure limits. Provide ventilation if
necessary to control exposure levels below airborne exposure limits (see above). If practical, use local
mechanical exhaust ventilation at sources of air contamination such as open process equipment. Consult
ACGIH ventilation manual or NFPA Standard 91 for design of exhaust systems.
Respiratory protection:
Avoid breathing processing fumes or vapors. Avoid breathing dust. Where airborne exposure is likely or
airborne exposure limits are exceeded (if applicable, see above), use NIOSH approved respiratory protection
equipment appropriate to the material and/or its components. Full facepiece equipment is recommended and, if
used, replaces need for face shield and/or chemical goggles. Consult respirator manufacturer to determine
appropriate type equipment for a given application. Observe respirator use limitations specified by NIOSH or
the manufacturer. For emergency and other conditions where there may be a potential for significant exposure
or where exposure limit may be significantly exceeded, use an approved full face positive-pressure, self-
contained breathing apparatus or positive-pressure airline with auxiliary self-contained air supply. Respiratory
protection programs must comply with 29 CFR ?1910.134.
Skin protection:
Wear appropriate chemical resistant protective clothing and chemical resistant gloves to prevent skin contact.
Consult glove manufacturer to determine appropriate type glove material for given application. Rinse
immediately if skin is contaminated. Wash contaminated clothing and clean protective equipment before reuse.
Wash thoroughly after handling.
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ECHO?A
Eye protection:
Where there is potential for eye contact, wear a face shield, chemical goggles, and have eye flushing
equipment immediately available.
9. PHYSICAL AND CHEMICAL PROPERTIES
Color: off-white
Physical state: solid
Form: powder
Odor: mild, pungent
pH: not applicable
Density: no data available
Specific Gravity (Relative 1.46
density):
Vapor pressure: not determined
Vapor density: not determined
Boiling point/boiling not determined
range:
Melting point/range: not determined
Evaporation rate: not determined
(n-butyl acetate = 1)
Solubility in water: Negligible.
% Volatiles: 68 癋 (20 癈) negligible
10. STABILITY AND REACTIVITY
Stability:
The product is stable under normal handling and storage conditions
Hazardous reactions:
Hazardous polymerization does not occur.
Materials to avoid:
Oxidizing agents
Conditions / hazards to avoid:
See HANDLING AND STORAGE section of this MSDS for specified conditions.
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ECHO?A
Hazardous decomposition products:
May hydrolyze in the presence of water or base to give:
Mercapturic acids
Carboxylic acids
Thermal decomposition giving flammable and toxic products
Carbon oxides
Sulphur oxides
11. TOXICOLOGICAL INFORMATION
Data on this material and/or its components are summarized below.
Data for Thiadiazole derivative (Proprietary)
Acute toxicity
Oral:
Practically nontoxic. (rat) LD50 > 2,000 mg/kg.
Practically nontoxic. (rat) LD50 = 11,300 mg/kg.
Inhalation:
Toxic. (rat) signs: Inhalation of vapours due to thermal decomposition:
severe irritation, death
Skin Irritation:
Moderately irritating.
Eye Irritation:
Corrosive. (rabbit)
Skin Sensitization:
Skin allergy was observed.
Other information
Heating can cause decomposition and liberate toxic gas.
Thermal decomposition can lead to release of irritating gases and vapours.
Data for Benzoic acid (65-85-0)
Acute toxicity
Oral:
Slightly toxic. (rat) LD50 = 1,700 - 4,070 mg/kg.
Dermal:
Practically nontoxic. (rabbit) LD50 > 5,000 mg/kg.
Inhalation:
(rat) 1 h LC50 > 0.026 mg/l.
Skin Irritation:
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Moderately irritating. (rabbit)
Eye Irritation:
Severely irritating. (rabbit)
Repeated dose toxicity
Repeated oral administration to rat and cat / affected organ(s): kidney, liver
Repeated oral administration to guinea pig, mouse, dog / No adverse systemic effects reported.
Genotoxicity
Assessment in Vitro:
No genetic changes were observed in laboratory tests using: bacteria, animal cells, human cells
Reproductive effects
Multiple generation reproduction test. oral (rat) / No toxicity to reproduction.
Human experience
Skin contact:
Skin: contact dermatitis. Widespread topical use indicates this material is likely an irritant but not a sensitizer.
Skin: Skin allergy was observed. Sensitization described in isolated cases.
Data for Sodium chloride (NaCl) (7647-14-5)
Acute toxicity
Oral:
Slightly toxic. (rat) LD50 approximately 3,000 mg/kg.
Skin Irritation:
Slightly irritating. (rabbit) (24 h)
Eye Irritation:
Moderately irritating. (rabbit)
Repeated dose toxicity
Subchronic oral administration to rat / affected organ(s): Kidney, circulatory system, heart / (Repeated
exposure at high concentrations)
Carcinogenicity
Chronic oral administration to rat / affected organ(s): GI tract / Promotes tumor formation when
administered with a cancer causing agent.
Genotoxicity
Assessment in Vitro:
No genetic changes were observed in a laboratory test using: bacteria
Both positive and equivocal responses have been reported in tests using: animal cells, yeast
Genotoxicity
Assessment in Vivo:
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Both positive and negative responses for genetic changes were observed in laboratory tests using:
animals
Developmental toxicity
Exposure during pregnancy. oral (mouse) / Birth defects and toxicity were observed.
Human experience
Ingestion:
Cardio-vascular system: Irregular cardiac activity, increased blood pressure. (effects of excessive exposure)
(extent of injury depends on severity of exposure)
Kidney: damage. (effects of excessive exposure) (extent of injury depends on severity of exposure)
Nervous system: damage. (effects of excessive exposure) (extent of injury depends on severity of exposure)
12. ECOLOGICAL INFORMATION
Chemical Fate and Pathway
Data on this material and/or its components are summarized below.
Data for Benzoic acid (65-85-0)
Biodegradation:
Readily biodegradable. (2 d) biodegradation 90 %
Bioaccumulation:
Practically no potential to bioaccumulate. < 10 (Fish)
Practically no potential to bioaccumulate. < 10 (Algae)
Octanol Water Partition Coefficient:
log Pow 1.87
Ecotoxicology
Data on this material and/or its components are summarized below.
Data for Benzoic acid (65-85-0)
Aquatic toxicity data:
Practically nontoxic. Leuciscus idus (Golden orfe) 48 h LC50 460 mg/l (tested at neutral pH)
Aquatic invertebrates:
Practically nontoxic. Daphnia magna (Water flea) 24 h EC50 = 107 mg/l
Data for Sodium chloride (NaCl) (7647-14-5)
Aquatic toxicity data:
Practically nontoxic. Oncorhynchus mykiss (rainbow trout), Bluegill sunfish, Pimephales promelas (fathead
minnow) 96 h LC50 > 7,000 mg/l
Aquatic invertebrates:
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ECHO?A
Practically nontoxic. Daphnia magna (Water flea) 48 h EC50 = 1,000 mg/l
Practically nontoxic. Daphnia pulex (Water flea) 48 h EC50 = 4,135 mg/l
Chronic toxicity to fish:
Salmo gairdneri 8 d LC50 = 800 mg/l
Chronic toxicity to aquatic invertebrates:
Daphnia magna (Water flea) 21 d EC50 = 3,732 mg/l
13. DISPOSAL CONSIDERATIONS
Waste disposal:
Disposal via incineration is recommended. Dispose of in accordance with federal, state and local regulations.
Consult a regulatory specialist to determine appropriate state or local reporting requirements, for assistance in
waste characterization and/or hazardous waste disposal and other requirements listed in pertinent environmental
permits. Note: Chemical additions to, processing of, or otherwise altering this material may make this waste
management information incomplete, inaccurate, or otherwise inappropriate. Furthermore, state and local waste
disposal requirements may be more restrictive or otherwise different from federal laws and regulations.
14. TRANSPORT INFORMATION
US Department of Transportation (DOT): not regulated
International Maritime Dangerous Goods Code (IMDG): not regulated
15. REGULATORY INFORMATION
Chemical Inventory Status
EU. EINECS EINECS Conforms to
US. Toxic Substances Control Act TSCA The components of this product are all on
the TSCA Inventory.
Australia. Industrial Chemical (Notification and AICS Conforms to
Assessment) Act
Canada. Canadian Environmental Protection Act DSL All components of this product are on the
(CEPA). Domestic Substances List (DSL). (Can. Gaz. Canadian DSL list.
Part II, Vol. 133)
Japan. Kashin-Hou Law List ENCS (JP) Does not conform
Korea. Toxic Chemical Control Law (TCCL) List KECI (KR) Conforms to
Philippines. The Toxic Substances and Hazardous PICCS (PH) Does not conform
and Nuclear Waste Control Act
China. Inventory of Existing Chemical Substances IECSC (CN) Conforms to
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ECHO?A
New Zealand. Inventory of Chemicals (NZIoC), as NZIOC Does not conform
published by ERMA New Zealand
United States ?Federal Regulations
SARA Title III ?Section 302 Extremely Hazardous Chemicals:
The components in this product are either not SARA Section 302 regulated or regulated but present in
negligible concentrations.
SARA Title III - Section 311/312 Hazard Categories:
Acute Health Hazard, Fire Hazard
SARA Title III ?Section 313 Toxic Chemicals:
SARA 313: This material does not contain any chemical components with known CAS numbers that
exceed the threshold (De Minimis) reporting levels established by SARA Title III, Section 313.
Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) - Reportable
Quantity (RQ):
Chemical Name CAS-No. Reportable quantity
Benzoic acid 65-85-0 5000 lbs
OSHA Regulated Carcinogens (NTP, IARC, OSHA Listed):
NTP:
No component of this product present at levels greater than or equal to 0.1% is identified as a known or
anticipated carcinogen by NTP.
IARC:
No component of this product present at levels greater than or equal to 0.1% is identified as probable,
possible or confirmed human carcinogen by IARC.
OSHA:
No component of this product present at levels greater than or equal to 0.1% is identified as a carcinogen
or potential carcinogen by OSHA.
United States ?State Regulations
Massachusetts Right to Know
Chemical Name CAS-No.
Benzoic acid 65-85-0
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New Jersey Right to Know
Chemical Name CAS-No.
Benzoic acid 65-85-0
Pennsylvania Right to Know
Chemical Name CAS-No.
Benzoic acid 65-85-0
Thiadiazole derivative Proprietary
Pennsylvania Right to Know ?Environmentally Hazardous Substance(s)
Chemical Name CAS-No.
Benzoic acid 65-85-0
California Prop. 65
This product does not contain any chemicals known to the State of California to cause cancer, birth
defects, or any other reproductive defects.
16. OTHER INFORMATION
Latest Revision(s):
Reference number: 000000060502
Date of Revision: 02/17/2009
Date Printed: 02/17/2009
ECHO?is a registered trademark of Arkema Inc.Arkema Inc. believes that the information and
recommendations contained herein (including data and statements) are accurate as of the date hereof. NO
WARRANTY OF FITNESS FOR ANY PARTICULAR PURPOSE, WARRANTY OF MERCHANTABILITY,
OR ANY OTHER WARRANTY, EXPRESSED OR IMPLIED, IS MADE CONCERNING THE INFORMATION
PROVIDED HEREIN. The information provided herein relates only to the specific product designated and
may not be valid where such product is used in combination with any other materials or in any process.
Further, since the conditions and methods of use are beyond the control of Arkema Inc., Arkema Inc.
expressly disclaims any and all liability as to any results obtained or arising from any use of the product or
reliance on such information.
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