International Chemical Safety Cards

TRIETHYLENE GLYCOL DIMETHYL ETHER ICSC: 1570
World Health Organization (WHO) International Labour Organization (ILO) United Nations Environmental Programme (UNEP) European Commission National Institute for Occupational Safety and Health (NIOSH)
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 Validated
TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/
FIRE FIGHTING
FIRE Combustible.
NO open flames.
Water spray, foam, powder, 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
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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.