International Chemical Safety Cards TRIETHYLENE GLYCOL ICSC: 1160 2,2'-(1,2-Ethanediyl bis (oxy))-bisethanol 2,2'-Ethylenedioxybis(ethanol) Triglycol C6H14O4 / HOCH2(CH2CH2O)2CH2OH Molecular mass: 150.2 ICSC #    1160 CAS #     112-27-6 RTECS # YE4550000 March 28, 1996 Peer reviewed TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/ FIRE FIGHTING FIRE Combustible. NO open flames. Powder, alcohol-resistant foam, water spray, carbon dioxide. EXPLOSION EXPOSURE  •INHALATION Ventilation.  •SKIN Protective gloves. Remove contaminated clothes. Rinse skin with plenty of water or shower.  •EYES Safety spectacles. First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.  •INGESTION Do not eat, drink, or smoke during work. Rinse mouth. SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING 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. R: S: SEE IMPORTANT INFORMATION ON BACK ICSC: 1160 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

International Chemical Safety Cards TRIETHYLENE GLYCOL ICSC: 1160 I M P O R T A N T D A T A PHYSICAL STATE; APPEARANCE: HYGROSCOPIC COLOURLESS LIQUID. PHYSICAL DANGERS: CHEMICAL DANGERS: OCCUPATIONAL EXPOSURE LIMITS: TLV not established. ROUTES OF EXPOSURE: The substance can be absorbed into the body by inhalation of its vapour. INHALATION RISK: A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20°C. EFFECTS OF SHORT-TERM EXPOSURE: EFFECTS OF LONG-TERM OR REPEATED EXPOSURE: PHYSICAL PROPERTIES Boiling point: 285°C Melting point: -5 to -7°C Relative density (water = 1): 1.1 Solubility in water: very good Vapour pressure, Pa at 20°C: 0.02 Relative vapour density (air = 1): 5.2 Flash point: 165°C Auto-ignition temperature: 371°C Explosive limits, vol% in air: 0.9-9.2 Octanol/water partition coefficient as log Pow: -1.24 to -1.9 (calc.) ENVIRONMENTAL DATA N O T E S Health effects of exposure to the substance have been investigated, but none has been found. NFPA Code: H1; F1; R0; ADDITIONAL INFORMATION ICSC: 1160 TRIETHYLENE GLYCOL (C) IPCS, CEC, 1994

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 NIOSH IDLH values.