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MATERIAL SAFETY DATA SHEET
1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION
SUPPLIER: METPREP LTD.
CURRIERS CLOSE
CHARTER AVENUE
COVENTRY CV4 8AW
TELEPHONE: PRODUCT INFORMATION: 024 7642 1222
FAX: 024 7642 1192
CHEMICAL NAME: Methyl ethyl ketone peroxide, 33% in diethyl phthalate
PRODUCT: KLEER SET HARDENER
PRODUCT NUMBERS: 11 10 89
2. COMPOSITION / INFORMATION ON INGREDIENTS
CHEMICAL NATURE: Methyl ethyl ketone peroxide, 33% in diethyl phthalate
INGREDIENT (S): CAS NUMBER: %: HAZARD SYMBOL: R PHRASES:
Methyl ethyl ketone peroxide 1338-23-4 33.0 CE R2, 22, 34,7
Dimethyl phthalate 131-11-3 63.0 None None
Methyl ethyl ketone 78-93-3 1.0 F Xi R11, 36, 37
3. HAZARDS IDENTIFICATION
May cause fire.
Harmful if swallowed.
Causes burns
4. FIRST AID MEASURES
GENERAL INFORMATION: Harmful if swallowed. Causes burns. Risk of serious damage to eyes. Seek medical advice
immediately.
INHALATION: Remove to fresh air, keep patient warm and at rest, if breathing is irregular or stopped, administer
artificial respiration. Give nothing by mouth. If unconscious place in recovery position and seek
medical advice.
SKIN: Remove contaminated clothing. Wash skin thoroughly with soap and water or use recognized skin
cleanser. Do NOT use solvents or thinners .
EYE: Irrigate copiously with clean, fresh water for at least 10 minutes, holding eyelids apart. Seek medical
advice.
INGESTION: Only when conscious, rinse mouth, give plenty of water to drink (approx 500ml). DO NOT induce
vomiting. Seek medical attention
5. FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: alcohol resistant foam, CO2, powders, water spray. Keep fire exposed containers cool by
spraying with water.
UNSUITABLE MEDIA: Halones
FIRE & EXPLOSION HAZARDS: If involved in fire, it will support combustion. In case of fire and/or explosion do not
breathe fumes. Carbon dioxide, water, acetic acid, formic acid, propanoic acid, methyl products ethyl ketone.
FIRE FIGHTING PROTECTIVE EQUIPMENT: Fire will produce dense black smoke. Exposure to decomposition
products may cause health hazard. Appropriate breathing apparatus may be required. Cool closed containers exposed
to fire with water. Do not allow run-off from fire fighting to enter drains or watercourses.
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MATERIAL SAFETY DATA SHEET
6. ACCIDENTAL RELEASE MEASURES
Personal precautions: Avoid contact with skin and eyes. For personal protection see section 8.
Environmental precautions: Collect as much as possible in a clean container for (preferable) reuse or disposal. Do
not empty into drains.
Methods for cleaning up: The waste should not be confined. Absorb the remainder with e.g. vermiculite.
7. HANDLING AND STORAGE
HANDLING: Never weigh out in the storage room. Keep product and emptied container away from heat and
sources of ignition. No sparking tools should be used. Avoid shock and friction. Confinement must be
avoided. Do not pipette by mouth. Do not inhale. Never bring peroxide into direct contact with
accelerator during processing. Weigh out and add peroxide and accelerator separately. No smoking.
STORAGE: Keep away from reducing agents (eg. amines), acids, alkalis and heavy metal compounds (eg.
accelerators, driers, metal soaps). Store in accordance with local regulations. Store in a dry well
ventilated place away from sources of heat and direct sunlight. Do not mix with peroxide accelerators.
Do not mix with reducing agents. Keep container tightly closed in a cool, well ventilated place. Keep
container upright to prevent leakage. Confinement must be avoided.
STORAGE TEMPERATURE: Preferably not exceeding 20 篊.
INDUSTRIAL HYGIENE PRACTICES: Wash face and hands thoroughly with the soap and water after use and before
eating, drinking, smoking or applying cosmetics.
8. EXPOSURE CONTROL / PERSONAL PROTECTION
Engineering Measures.
Ensure good ventilation and local exhaustion of the working area. Explosion proof ventilation recommended.
Exposure Limits.
1.5 mg/m 3
Methyl ethyl ketone peroxide OES-STEL
590.0 mg/m 3
Methyl ethyl ketone OES-TWA
885.0 mg/m 3
OES-STEL
Personal Protection.
Respiratory protection: Do not breathe vapour. Ensure good ventilation and local exhaustion of the working area.
Hand protection: Wear suitable gloves of neoprene or synthetic rubber.
Eye protection: Wear eye/face protection. A face shield is preferred to goggles.
Skin protection: Wear suitable protective clothing and gloves. Take off contaminated clothing immediately
9. PHYSICAL AND CHEMICAL PROPERTIES
Appearance: liquid
Colour: clear and colourless
Odour: faint
Boiling point: do not distil (decomposes)
turbid < -10 o C
Melting point:
52 o C
Flash point: (Setaflash ISO 3679)
Flammability: not determined
218 o C
Auto-ignition temperature: (DIN 51794)
Explosive properties: no
Explosion limits: not applicable
Oxidising properties: not applicable
Vapour pressure: not determined
1180 kg/m 3 (20 o C)
Density:
Solubility in water: Partly miscible in water
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MATERIAL SAFETY DATA SHEET
Solubility in other solvents: phthalates
pH value weak acid
approx 20 mPa. s (20 o C)
Viscosity
Active oxygen content 8.8 - 9.0 %
Peroxide content 33.0 %
60 o C
SADT
10. STABILITY AND REACTIVITY
Stability: A dangerous self-accelerating decomposition reaction and, under certain circumstances, explosion
or fire can be caused by direct contact with incompatible substances or by thermal decomposition at
and above the following temperature: + 60 o C.
Conditions to avoid: Violent reactions may be expected with acid, alkali, heavy metals and reducing agents. Avoid contact
with rust. Confinement must be avoided. Do not mix with peroxide accelerators. Do not mix with
reducing agents.
Materials to avoid: Use only Stainless steel 316, PVC, polyethylene or glass lined equipment.
Hazardous decomposition Acetic acid, formic acid, propanoic acid, methyl ethyl ketone.
products:
11. TOXICOLOGICAL INFORMATION
Name: Methyl ethyl ketone peroxide
Acute toxicity:
Oral LD50 rat:1017 mg/kg (methyl ethyl ketone peroxide 40%)
Dermal LD50 rat:4000 mg/kg (methyl ethyl ketone peroxide 40%)
Inhalation LC50 rat:17 mg/l ; 4 hours exposure time (methyl ethyl ketone peroxide 40%)
Irritation:
Skin Corrosive (methyl ethyl ketone peroxide 33%)
Eye Severly irritating/Corrosive (methyl ethyl ketone peroxide 33%)
Genotoxicity Ames test: not mutagenic
Name: Dimethyl phthalate
Acute toxicity:
Oral LD50 rat > 2400 mg/kg
Dermal LD50 rabbit: > 10,000 mg/kg
9300 mg/m 3 (6.5 hours)
Inhalation LC50
Irritation:
Skin moderately irritating
Eye minimally irritating
Name: methyl ethyl ketone
Acute toxicity:
Oral LD50 rat : 2737 mg/kg
Dermal LD50 rabbit:6480 mg/kg
rat 23.5000 mg/m 3
Inhalation LC50
Irritation:
Skin moderately irritating
Eye minimally irritating
12. ECOLOGICAL INFORMATION
Name Based on: Methyl ethyl ketone peroxide 33%
Ecotoxicity
Fish Acute toxicity, 96h LC50 = 44.2 mg/l (Poecilla reticulata.)
Bacteria Activated sludge respiration inhibition test EC50 = 48.0 mg/l
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MATERIAL SAFETY DATA SHEET
Fate: Degradation Biotic Readily biodegradable (Closed bottle test)
Name Based on: Dimethyl phthalate
Ecotoxicity
Fish Lepomis macrochirus: 96h LC50: 3.22 g/l
Algae Selenastrum capricornutum : 39.8 mg/l (96h IC50)
Fate: Degradation Biotic Readily biodegradable
Other information Bio concentration factor (BCF) fish 5.4 (24 hours)
Name Methyl isobutyl ketone
Ecotoxicity
Fish Pimephales promelas: 96h LC50: 505 mg/l
Fate: Degradation Biotic Readily biodegradable
Other information Bio concentration factor (BCF) = 1.19
13. DISPOSAL CONSIDERATIONS
Product: Probably in controlled incineration but according to local regulations. The waste should not be confined.
Absorb the remainder with e.g. vermiculite.
Contaminated packaging: Collect for recycling or most probably controlled incineration
Other information:Dilute before burning with organic solvents. Controlled incineration according to local regulations is
always preferred. If not possible burn in small portions on a remote place, using a torch with a long rod to ignite the
material.
14. TRANSPORTATION
Land Transport: ADR Class 5.2 ADR Item number 5b
RID Class 5.2 RID Item number 5b
Hazard Ident No. Substance Ident No.
TREM-Card CEFIC TEC(R) 52G01 UN number 3105
Proper shipping name: Organic peroxide type d, liquid; (Methyl ethyl ketone peroxide)
Sea Transport UN number 3105 Class 5.2
Packing group II marine pollutant no
EMS 5.2-01 MFAG 735
IMO/IMDG code page 5225a
Proper shipping name: Organic peroxide type d, liquid; (Methyl ethyl ketone peroxide)
Air Transport IATA/ICAO-DGR UN number 3105
Class 5.2 Packing group II
Proper shipping name: Organic peroxide type d, liquid; (Methyl ethyl ketone peroxide)
15. REGULATORY INFORMATION
EC REGULATIONS ?br>
Danger classification: Oxidising Corrosive
R phrases: R-7: May cause fire
R-22: Harmful if swallowed
R-34: Causes burns
S phrases: S-3/7: Keep container tightly closed in a cool place.
S-14: Keep away from reducing agents
S-36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S-45: In case of accident or if you feel unwell, seek medical advice immediately (show the
label where possible)
Do not mix with peroxide-accelerators or reducing agents .
S-50:
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MATERIAL SAFETY DATA SHEET
16. ADDITIONAL INFORMATION
This data sheet was prepared in accordance with Directive 91/155/EEC.
The above information has been gathered from reliable sources and is believed to be correct. However, the information is
provided without any warranty, either expressed or implied. MetPrep Ltd shall not be held liable for any damage resulting
from the handling of or contact with the above product.
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