International Chemical Safety Cards ETHYLENEIMINE ICSC: 0100 ETHYLENEIMINE Aziridine Azacyclopropane C2H5N/CH2NHCH2 Molecular mass: 43.1 CAS # 151-56-4 RTECS # KX5075000 ICSC # 0100 UN # 1185 EC # 613-001-00-1 TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/ FIRE FIGHTING FIRE Highly flammable. Gives off irritating or toxic fumes (or gases) in a fire. NO open flames, NO sparks, and NO smoking. NO contact with acids. Water in large amounts, alcohol-resistant foam, powder. NO carbon dioxide. EXPLOSION Vapour/air mixtures are explosive. Risk of fire and explosion on contact with acids, oxidising substances. Closed system, ventilation, explosion-proof electrical equipment and lighting. Do NOT use compressed air for filling, discharging, or handling. Use non-sparking handtools. In case of fire: keep drums, etc., cool by spraying with water. Combat fire from a sheltered position. EXPOSURE STRICT HYGIENE! IN ALL CASES CONSULT A DOCTOR! INHALATION Cough. Dizziness. Headache. Laboured breathing. Nausea. Vomiting. Symptoms may be delayed (see Notes). Ventilation, local exhaust, or breathing protection. Fresh air, rest. Half-upright position. Artificial respiration if indicated. Refer for medical attention. SKIN MAY BE ABSORBED! Redness. Skin burns. Blisters. Protective clothing. Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention. EYES Redness. Pain. Severe deep burns. Face shield or eye protection in combination with breathing protection. First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor. INGESTION Vomiting (further see Inhalation). Do not eat, drink, or smoke during work. Wash hands before eating. Rinse mouth. Do NOT induce vomiting. Give plenty of water to drink. Refer for medical attention. SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING Evacuate danger area! Consult an expert! Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent and remove to safe place. Do NOT wash away into sewer (extra personal protection: complete protective clothing including self-contained breathing apparatus). Fireproof. Separated from acids, oxidizing materials, food and feedstuffs. Dry. Store only if stabilized. Unbreakable packaging; put breakable packaging into closed unbreakable container. Do not transport with food and feedstuffs. F symbol T+ symbol R: 45-46-11-26/27/28-34 S: 53-45 Note: D; Note: E UN Hazard Class: 6.1 UN Subsidiary Risks: 3 UN Packing Group: I SEE IMPORTANT INFORMATION ON BACK ICSC: 0100 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities © IPCS CEC 1993 No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and IDLH values.

International Chemical Safety Cards ETHYLENEIMINE ICSC: 0100 I M P O R T A N T D A T A PHYSICAL STATE; APPEARANCE: COLOURLESS LIQUID , WITH PUNGENT ODOUR. PHYSICAL DANGERS: The vapour is heavier than air and may travel along the ground; distant ignition possible. The vapour mixes well with air, explosive mixtures are easily formed. CHEMICAL DANGERS: The substance may polymerize under the influence of aqueous acidic conditions, acids, oxidising materials with fire or explosion hazard. On combustion, forms toxic and irritating fumes including nitrogen oxides. The substance is a medium strong base. OCCUPATIONAL EXPOSURE LIMITS (OELs): TLV: 0.5 ppm; 0.88 mg/m3 (skin) (ACGIH 1993-1994). OSHA PEL: 1910.1012 See Appendix B NIOSH REL: Ca See Appendix A NIOSH IDLH: Potential occupational carcinogen 100 ppm ROUTES OF EXPOSURE: The substance can be absorbed into the body by inhalation of its vapour and through the skin. INHALATION RISK: A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20°C. EFFECTS OF SHORT-TERM EXPOSURE: The substance is corrosive to the eyes, the skin and the respiratory tract. Inhalation of vapour may cause lung oedema (see Notes). The substance may cause effects on the central nervous system, kidneys and liver. Exposure far above OEL may result in death. The effects may be delayed. EFFECTS OF LONG-TERM OR REPEATED EXPOSURE: Repeated or prolonged contact with skin may cause dermatitis. Repeated or prolonged contact may cause skin sensitization. This substance is possibly carcinogenic to humans. PHYSICAL PROPERTIES Boiling point: 56-57°C Melting point: -74°C Relative density (water = 1): 0.8 Solubility in water: miscible Vapour pressure, kPa at 20°C: 21.3 Relative vapour density (air = 1): 1.5 Relative density of the vapour/air-mixture at 20°C (air = 1): 1.1 Flash point: -11°C c.c. Auto-ignition temperature: 322°C Explosive limits, vol% in air: 3.6-46 ENVIRONMENTAL DATA This substance may be hazardous to the environment; special attention should be given to water organisms. N O T E S Depending on the degree of exposure, periodic medical examination is indicated. The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical observation are therefore essential. The odour warning when the exposure limit value is exceeded is insufficient. Ethyleneimine vapours are uninhibited and may form polymers in vents or flame arrestors causing stoppage of vents. Transport Emergency Card: TEC (R)-30G32 NFPA Code: H 3; F 3; R 2; ADDITIONAL INFORMATION ICSC: 0100 ETHYLENEIMINE © IPCS, CEC, 1993

IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and IDLH values.