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TRIS(2-CHLOROETHYL) PHOSPHATEICSC: 1677
April 2007
CAS #: 115-96-8Tri(beta-chloroethyl) phosphate
Tris(2-chloroethyl) orthophosphate
Ethanol, 2-chloro-, phosphate (3:1)
TCEP
UN #: 3082
EINECS #: 204-118-5

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Combustible. Gives off irritating or toxic fumes (or gases) in a fire.  Vapour/air mixtures are explosive.  NO open flames, NO sparks and NO smoking.    Use water spray, powder, foam, 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.  Rinse and then wash skin with water and soap. 
Eyes   Wear safety spectacles.  Rinse with plenty of water for several minutes (remove contact lenses if easily possible). 
Ingestion   Do not eat, drink, or smoke during work.  Rinse mouth. Refer for medical attention . 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Personal protection: filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Collect leaking and spilled liquid in covered containers as far as possible. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations. 

According to UN GHS Criteria

excl mark;warncancer;health haz
WARNING
Harmful if swallowed
Suspected of causing cancer
Suspected of damaging fertility or the unborn child
Toxic to aquatic life 

Transportation
UN Classification
UN Hazard Class: 9; UN Pack Group: III 

STORAGE
Keep in a well-ventilated room. Store in an area without drain or sewer access. Separated from food and feedstuffs. Provision to contain effluent from fire extinguishing. 
PACKAGING
 
TRIS(2-CHLOROETHYL) PHOSPHATE ICSC: 1677
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS-TO-YELLOW LIQUID. 

Physical dangers
 

Chemical dangers
Decomposes above 320°C . This produces hydrogen chloride and phosphorous oxides. Reacts with strong bases and strong oxidants. 

Formula: C6H12Cl3O4P / (ClCH2CH2O)3PO
Molecular mass: 285.5
Decomposes
Melting point: -51 °C
Relative density (water = 1): 1.4
Solubility in water, g/100ml at 20°C: 0.78 (very poor)
Vapour pressure: negligible
Relative vapour density (air = 1): 9.8
Flash point: 202°C c.c.
Auto-ignition temperature: 480°C
Octanol/water partition coefficient as log Pow: 1.78
Viscosity:  


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body in hazardous amounts by ingestion. 

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


Occupational exposure limits
 

ENVIRONMENT
The substance is toxic to aquatic organisms. It is strongly advised not to let the chemical enter into the environment. 

NOTES
Do NOT take working clothes home.
Depending on the degree of exposure, periodic medical examination is suggested.
TCEP is an abbreviation which also refers to trichloroethanol-1-phosphate, commonly known as Triclofos, which is a different substance. 

ADDITIONAL INFORMATION
  EC Classification
Symbol: Xn, N; R: 22-40-51/53; S: (2)-36/37-61 

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    See Also:
       Toxicological Abbreviations
       Tris(2-chloroethyl) Phosphate  (IARC Summary & Evaluation, Volume 48, 1990)
       Tris(2-chloroethyl) Phosphate  (IARC Summary & Evaluation, Volume 71, 1999)