International Chemical Safety Cards POLYETHYLENE GLYCOL (200-600) ICSC: 1517 PEG Oxyethylene polymer Poly(oxy-1,2-ethynediyl), alpha-hydro-omega-hydroxy HO(C2H4O)nH Molecular mass: 200-600 ICSC #    1517 CAS #     25322-68-3 RTECS # See Notes April 20, 2004 Peer reviewed TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/ FIRE FIGHTING FIRE Combustible. NO open flames. In case of fire in the surroundings: carbon dioxide , foam , powder , water spray . EXPLOSION EXPOSURE  •INHALATION Ventilation. Fresh air, rest.  •SKIN 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 Diarrhoea. Nausea. Do not eat, drink, or smoke during work. Rinse mouth. SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING Collect leaking liquid in covered containers. Wash away spilled liquid with plenty of water. Dry. Well closed. R: S: SEE IMPORTANT INFORMATION ON BACK ICSC: 1517 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 POLYETHYLENE GLYCOL (200-600) ICSC: 1517 I M P O R T A N T D A T A PHYSICAL STATE; APPEARANCE: COLOURLESS, VISCOUS SLIGHTLYHYGROSCOPIC LIQUID . PHYSICAL DANGERS: CHEMICAL DANGERS: OCCUPATIONAL EXPOSURE LIMITS: TLV not established. MAK: (Inhalable fraction) 1000 mg/m³; Pregnancy risk group: C; (DFG 2003). ROUTES OF EXPOSURE: INHALATION RISK: A nuisance-causing concentration of airborne particles can be reached quickly when dispersed. EFFECTS OF SHORT-TERM EXPOSURE: EFFECTS OF LONG-TERM OR REPEATED EXPOSURE: PHYSICAL PROPERTIES Boiling point: 250°C Melting point: See Notes: softening point Relative density (water = 1): 1.13 Solubility in water: at 20 °C very good Vapour pressure, Pa at 20°C: <10 Flash point: 171-235°C Auto-ignition temperature: about 360°C ENVIRONMENTAL DATA N O T E S This card covers the individual substances Polyethylene glycol 200 (RTECS TQ3600000), 300 (TQ3630000), 400 (TQ3675000), 600 (TQ3800000) and the mixture of the polyethylene glycols and is fully applicable for all polyethylenes in the molecular mass range from 200 to 600 g/mol. Softening points for Polyethylene glycols: 200 (-65 to -50°C), 300 (-15 to -10°C), 400 (-6 to 8°C), 600 (17 to 22°C). Carbowax is a trade name. NFPA Code: H0; F1; R0; ADDITIONAL INFORMATION ICSC: 1517 POLYETHYLENE GLYCOL (200-600) (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.