International Chemical Safety Cards TRIETHYLENE GLYCOL DIMETHYL ETHER ICSC: 1570 2,5,8,11-Tetraoxadodecane Triglyme 1,2-bis(2-Methoxyethoxy)ethane TEGDME C8H18O4 / CH3(OCH2CH2)3OCH3 Molecular mass: 178.2 ICSC #    1570 CAS #     112-49-2 RTECS # XF0665000 EC #         603-176-00-2 October 26, 2004 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 See EFFECTS OF LONG-TERM OR REPEATED EXPOSURE. AVOID ALL CONTACT!  •INHALATION Ventilation, local exhaust, or breathing protection. Fresh air, rest.  •SKIN Protective gloves. Protective clothing. 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 Ventilation. Collect leaking and spilled liquid in sealable containers as far as possible. Personal protection: filter respirator for organic gases and vapours. Separated from strong oxidants. T symbol R: 61-62-19 S: 53-45 SEE IMPORTANT INFORMATION ON BACK ICSC: 1570 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 DIMETHYL ETHER ICSC: 1570 I M P O R T A N T D A T A PHYSICAL STATE; APPEARANCE: COLOURLESS LIQUID , WITH CHARACTERISTIC ODOUR. PHYSICAL DANGERS: CHEMICAL DANGERS: The substance can presumably form explosive peroxides. Reacts violently with strong oxidants . OCCUPATIONAL EXPOSURE LIMITS: TLV not established. MAK not established. ROUTES OF EXPOSURE: The substance can be absorbed into the body by inhalation of its aerosol and by ingestion. INHALATION RISK: No indication can be given about the rate in which a harmful concentration in the air is reached on evaporation of this substance at 20°C. EFFECTS OF SHORT-TERM EXPOSURE: EFFECTS OF LONG-TERM OR REPEATED EXPOSURE: Animal tests show that this substance possibly causes toxicity to human reproduction or development. PHYSICAL PROPERTIES Boiling point: 216°C Melting point: -45°C Relative density (water = 1): 0.99 Solubility in water: miscible Vapour pressure, kPa at 20°C: 0.12 Relative vapour density (air = 1): 6.14 Flash point: 111°C o.c. Octanol/water partition coefficient as log Pow: -0.48 ENVIRONMENTAL DATA N O T E S Check for peroxides prior to distillation; eliminate if found. NFPA Code: H1; F1; R0; ADDITIONAL INFORMATION ICSC: 1570 TRIETHYLENE GLYCOL DIMETHYL ETHER (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.