International Chemical Safety Cards TRIPROPYLENE GLYCOL ICSC: 1348 2-(2-(2-Hydroxypropoxy)propoxy)-1-propanol Propanol, ((1-methyl-1,2-ethanediyl)bis(oxy))bis- (Methylethylene)bis(oxy)dipropanol C9H20O4 / CH3CHOHCH2OCH(CH3)CH2OCH(CH3)CH2OH Molecular mass: 192.3 ICSC #    1348 CAS #     24800-44-0 RTECS # YK6825000 October 18, 1999 Peer reviewed TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/ FIRE FIGHTING FIRE Combustible. NO open flames. Powder, water spray, foam, carbon dioxide. EXPLOSION EXPOSURE  •INHALATION Ventilation. Fresh air, rest.  •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. Give plenty of water to drink. SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING Collect leaking liquid in sealable containers. Wash away remainder with plenty of water. Well closed. R: S: SEE IMPORTANT INFORMATION ON BACK ICSC: 1348 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 TRIPROPYLENE GLYCOL ICSC: 1348 I M P O R T A N T D A T A PHYSICAL STATE; APPEARANCE: ODOURLESS COLOURLESS LIQUID PHYSICAL DANGERS: CHEMICAL DANGERS: Attacks some plastic. OCCUPATIONAL EXPOSURE LIMITS: TLV not established. ROUTES OF EXPOSURE: 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: 271°C Melting point: <-30°C Relative density (water = 1): 1.0 Solubility in water: miscible Vapour pressure, Pa at 96°C: 133 Relative vapour density (air = 1): 6.6 Flash point: 141°C c.c. Octanol/water partition coefficient as log Pow: -0.5 ENVIRONMENTAL DATA N O T E S Health effects of exposure to the substance have been investigated, but none has been found. NFPA Code: H0; F1; R0; ADDITIONAL INFORMATION ICSC: 1348 TRIPROPYLENE 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.