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SECTION 2: Hazards identification

OSHA Hazards Identification Emergency Emergency overview overview Warning.

Potential health effects

Potential health health effects Routes Routes of of of of exposure exposure Inhalation. Ingestion. Skin contact. Eye contact. Eyes Contact may irritate or burn eyes. Prolonged or repeated contact may cause severe irritation Skin Contact with skin may cause irritation. Frequent or prolonged contact may defat and dry the skin, leading to discomfort and dermatitis. Inhalation Inhalation of dusts may cause respiratory irritation. Ingestion Ingestion may cause gastrointestinal irritation, nausea, vomiting and diarrhea. 3. 3. 3. 3. Composition Composition Composition / / / / Information Information Information on on on on Ingredients Ingredients Components CAS CAS # # # # Percent Polyoxyalkylene Glycol Polyether Polyol 9003-11-6 100 Residuals CAS CAS # # # # Percent PROPYLENE OXIDE 75-56-9 0.01 ETHYLENE OXIDE 75-21-8 0.001 Composition Composition comments comments Occupational Exposure Limits for residuals are listed in Section 8. 4. 4. 4. 4. First First First Aid Aid Aid Measures Measures First First aid aid aid procedures procedures Eye Eye contact contact Immediately flush eyes with plenty of water for at least 15 minutes. Call a physician if symptoms develop or persist. Skin Skin contact contact Immediately flush with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing separately before reuse. Discard any shoes or clothing items that cannot be decontaminated. Call a physician if symptoms develop or persist. Inhalation Move to fresh air. If breathing stops, provide artificial respiration. Oxygen or artificial respiration if needed. Call a physician if symptoms develop or persist. Ingestion Do not induce vomiting. Rinse mouth thoroughly. Drink plenty of water. If vomiting occurs, keep head low so that stomach content doesn't get into the lungs. Never give anything by mouth to a victim who is unconscious or is having convulsions. Call a physician or poison control center immediately. 5. 5. 5. 5. Fire Fire Fire Fighting Fighting Fighting Measures Measures Flammable Flammable properties properties Vapors may form flammable or explosive mixtures with air. Extinguishing Extinguishing media media Suitable Suitable extinguishing extinguishing Dry chemicals. Foam. Carbon dioxide (CO2). media Unsuitable Unsuitable extinguishing extinguishing Water. Do not use water jet as an extinguisher, as this will spread the fire. media Protection Protection of of of of firefighters firefighters Protective Protective equipment equipment equipment and and Wear self-contained breathing apparatus and protective clothing.

Precautionary statements

precautions for for for firefighters firefighters Fire Fire fighting fighting Evacuate the area promptly. Move containers from fire area if you can do so without risk. Wear equipment/instructions suitable protective equipment. 6. 6. 6. 6. Accidental Accidental Accidental Release Release Release Measures Measures Personal Personal precautions Keep unnecessary personnel away. Local authorities should be advised if significant spillages cannot be contained. Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Keep people away from and upwind of spill/leak. Keep upwind. Keep out of low areas. Avoid inhalation of vapors or mists. Environmental Environmental precautions Prevent further leakage or spillage if safe to do so. Do not contaminate water. Methods Methods for for for containment containment ELIMINATE all ignition sources (no smoking, flares, sparks or flames in immediate area). Stop the flow of material, if this is without risk. Dike the spilled material, where this is possible. Prevent entry into waterways, sewer, basements or confined areas. Methods Methods for for for cleaning cleaning cleaning up up up up Extinguish all flames in the vicinity. Avoid contact with skin. Avoid contact with eyes. Should not be released into the environment. Large Spills: Stop the flow of material, if this is without risk. Dike the spilled material, where this is possible. Do not get water on spilled substance or inside containers. Prevent product from entering drains. Do not allow material to contaminate ground water system. Cover with DRY earth, DRY sand, or other non-combustible material. Local authorities should be advised if significant spillages cannot be contained. Small Spills: Wipe up with absorbent material (e.g. cloth, fleece). Clean surface thoroughly to remove residual contamination. Never return spills in original containers for re-use. For waste disposal, see section 13 of the MSDS. 7. 7. 7. 7. Handling Handling Handling and and and Storage

Storage

Handling Wear personal protective equipment. Use only in well-ventilated areas. Wash thoroughly after handling. Do not get in eyes, on skin, on clothing. Do not breathe dust/fume/gas/mist/vapors/spray. Avoid prolonged or repeated contact with skin. Keep containers closed when not in use. Store in a dry place. Storage temperature: between 0C and 49C. Keep out of the reach of children. 8. 8. 8. 8. Exposure Exposure Exposure Controls Controls Controls / / / / Personal Personal Personal Protection Protection Occupational Occupational exposure exposure exposure limits limits US. US. ACGIH ACGIH ACGIH Threshold Threshold Threshold Limit Limit Limit Values Values Residuals Type Value ETHYLENE OXIDE TWA 1 ppm (75-21-8) US. US. ACGIH ACGIH ACGIH Threshold Threshold Threshold Limit Limit Limit Values Values Residuals Type Value PROPYLENE OXIDE TWA 2 ppm (75-56-9) US. US.

TOXICOLOGICAL INFORMATION

Toxicological Information Toxicological Toxicological data data Residuals Species Test Test Results Results ETHYLENE OXIDE (75-21-8) Acute Inhalation LC50 Dog 1.8 mg/l, 4 Hours Guinea pig 1.5 mg/l, 4 Hours Mouse 1.505 mg/l, 4 Hours Rat 0.9 mg/l, 1 Hours Oral LD50 Guinea pig 270 mg/kg Mouse 280 mg/kg Rat 72 mg/kg PROPYLENE OXIDE (75-56-9) Acute Dermal LD50 Rabbit 1245 mg/kg Inhalation LC50 Mouse 1740 mg/l, 4 Hours Rat 4000 mg/l, 4 Hours Oral LD50 Guinea pig 660 mg/kg 0.69 g/kg Rat 380 mg/kg Other LD50 Mouse 175 mg/kg Rabbit 1.5 ml/kg Rat 150 mg/kg * Estimates for product may be based on additional component data not shown. Carcinogenicity ACGIH ACGIH Carcinogens Carcinogens ETHYLENE OXIDE (CAS 75-21-8) A2 Suspected human carcinogen. PROPYLENE OXIDE (CAS 75-56-9) A3 Confirmed animal carcinogen with unknown relevance to humans. IARC IARC Monographs. Monographs. Monographs. Overall Overall Overall Evaluation Evaluation Evaluation of of of of Carcinogenicity Carcinogenicity ETHYLENE OXIDE (CAS 75-21-8) 1 Carcinogenic to humans. PROPYLENE OXIDE (CAS 75-56-9) 2B Possibly carcinogenic to humans. US US US US NTP NTP NTP Report Report Report on on on on Carcinogens: Carcinogens: Carcinogens: Anticipated Anticipated Anticipated carcinogen carcinogen PROPYLENE OXIDE (CAS 75-56-9) Reasonably Anticipated to be a Human Carcinogen. US US US US NTP NTP NTP Report Report Report on on on on Carcinogens: Carcinogens: Carcinogens: Known Known Known carcinogen carcinogen ETHYLENE OXIDE (CAS 75-21-8) Known To Be Human Carcinogen. US US US US

Further information

Further information Reproductive toxicity. Symptoms may be delayed. 12. 12. Ecological

ECOLOGICAL INFORMATION

Ecological Information Ecotoxicological Ecotoxicological data data Residuals Species Test Test Results Results ETHYLENE OXIDE (75-21-8) Aquatic Fish LC50 Fathead minnow (Pimephales promelas) 73 - 96 mg/l, 96 hours * Estimates for product may be based on additional component data not shown. Ecotoxicity Contains a substance which causes risk of hazardous effects to the environment.

Environmental effects

Environmental effects An environmental hazard cannot be excluded in the event of unprofessional handling or disposal. Persistence Persistence and and and degradability degradability Not available. Bioaccumulative Bioaccumulative potential potential Octanol/water Octanol/water partition partition partition coefficient coefficient coefficient log log log Kow Kow ETHYLENE OXIDE -0.3 PROPYLENE OXIDE 0.03 Partition Partition coefficient coefficient ETHYLENE OXIDE -0.3 PROPYLENE OXIDE 0.03 13.

Disposal

Considerations Considerations Waste Waste codes codes D002: Waste Corrosive material [pH <=2 or =>12.5, or corrosive to steel] D003: Waste Reactive material US US US US RCRA RCRA RCRA Hazardous Hazardous Hazardous Waste Waste Waste U U U U List: List: List: Reference Reference ETHYLENE OXIDE (CAS 75-21-8) U115 Disposal instructions instructions Consult authorities before disposal. Incinerate the material under controlled conditions in an approved incinerator. Do not allow this material to drain into sewers/water supplies. Dispose in accordance with all applicable regulations. Contaminated Contaminated packaging packaging Empty containers should be taken to an approved waste handling site for recycling or disposal. 14. 14. Transport Transport Transport Information Information DOT Not regulated as dangerous goods. IATA Not regulated as dangerous goods. IMDG Not regulated as dangerous goods. 15. 15. Regulatory Regulatory Regulatory Information Information US US US US federal federal federal regulations regulations This product is a "Hazardous Chemical" as defined by the