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TRIETHYLENE GLYCOL DIMETHYL ETHERICSC: 1570
October 2004
CAS #: 112-49-22,5,8,11-Tetraoxadodecane
Triglyme
1,2-bis(2-Methoxyethoxy)ethane
TEGDME
EINECS #: 203-977-3

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Combustible.    NO open flames.    Use water spray, foam, powder, carbon dioxide.   

See EFFECTS OF LONG-TERM OR REPEATED EXPOSURE. AVOID ALL CONTACT!  
  SYMPTOMS ACUTE HAZARDS FIRST AID
Inhalation   Use 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   Wear safety spectacles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion   Do not eat, drink, or smoke during work.  Rinse mouth. Give one or two glasses of water to drink. 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Personal protection: filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Ventilation. Collect leaking and spilled liquid in sealable containers as far as possible. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
Separated from strong oxidants. 
PACKAGING
 
TRIETHYLENE GLYCOL DIMETHYL ETHER ICSC: 1570
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR. 

Physical dangers
 

Chemical dangers
The substance can presumably form explosive peroxides. Reacts violently with strong oxidants. 

Formula: C8H18O4 / CH3(OCH2CH2)3OCH3
Molecular mass: 178.2
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  


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation of its aerosol and by ingestion. 

Effects of short-term exposure
 

Inhalation risk
No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20°C. 

Effects of long-term or repeated exposure
Animal tests show that this substance possibly causes toxicity to human reproduction or development. 


Occupational exposure limits
 

ENVIRONMENT
 

NOTES
Check for peroxides prior to distillation; eliminate if found. 

ADDITIONAL INFORMATION
  EC Classification
Symbol: T; R: 61-62-19; S: 53-45 

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    See Also:
       Toxicological Abbreviations