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Trichloroethylene

CAS:
79-01-6
MF:
C2HCl3
MW:
131.39

Properties

Melting point:
-86 °C
Boiling point:
87 °C
Density 
1.463 g/mL at 25 °C(lit.)
vapor density 
4.5 (vs air)
vapor pressure 
61 mm Hg ( 20 °C)
refractive index 
n20/D 1.476(lit.)
Flash point:
90°C
storage temp. 
2-8°C
solubility 
Soluble in acetone, ethanol, chloroform, ether (U.S. EPA, 1985), and other organic solvents including bromoform, carbon tetrachloride, methylene chloride, trichloroethylene, and tetrachloroethylene.
form 
Liquid
color 
Clear colorless
Odor
Chloroform-like; ethereal.
Odor Threshold
3.9ppm
Water Solubility 
Slightly soluble. 0.11 g/100 mL
Merck 
14,9639
BRN 
1736782
Henry's Law Constant
3.14 at 1.8 °C, 8.47 at 21.6 °C, 19.0 at 40.0 °C, 26.5 at 50 °C, 35.8 at 60 °C, 56.6 at 70 °C (EPICS-GC, Shimotori and Arnold, 2003)
Exposure limits
TLV-TWA 50 ppm (~270 mg/m3) (ACGIH), 100 ppm (MSHA and OSHA); TLV-STEL 200 ppm (ACGIH); ceiling 200 ppm (OSHA); carcinogenicity: Animal Lim ited Evidence, Human Inadequate Evidence (IARC).
Stability:
Stable. Incompatible with oxidizing agents, aluminium, magnesium, strong bases, reducing agents. Light-sensitive. Reacts violently with many metals, ozone, potassium nitrate, potassium hydroxide, sodium hydroxide.

Safety Information

Symbol(GHS) 

GHS07,GHS08
Hazard statements 
H315-H319-H336-H341-H350-H412
Precautionary statements 
P201-P261-P280-P305+P351+P338-P405-P501a
Hazard Codes 
T,F
Risk Statements 
45-36/38-52/53-67-68-39/23/24/25-23/24/25-11
Safety Statements 
53-45-61-36/37-16-7
RIDADR 
UN 1710 6.1/PG 3
WGK Germany 
3
RTECS 
KX4550000
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
III
HS Code 
29032200
Toxicity
LD50 orally in rats: 4.92 ml/kg; LC (4 hrs) in rats: 8000 ppm (Smyth)

Use

Trichloroethylene is used widely by industry as a metal degreaser. It is especially valuable because of its cleaning properties, low flammability, and lack of a measurable flash point. Trichloroethylene also is used as a chemical process intermediate in fluorochemical and polyvinyl chloride (PVC) production. It has been used worldwide for more than 70 years. It is a colorless, volatile liquid, and is an unsaturated aliphatic halogenated hydrocarbon. In the United States, it is produced by The Dow Chemical Company and PPG Industries, Inc. In 1998, U.S. demand was about 171 million pounds (77,700 metric tons) of which about 15 million pounds (6,800 metric tons) were imported. About 84 million pounds (38,000 metric tons) were exported. The use of trichloroethylene in 1999 can be broken down into the following categories: chemical intermediate (~54%) metal cleaning and degreasing (-42%) miscellaneous (~4%) High-purity grades of trichloroethylene are used as a feedstock in the synthesis of the refrigerant hydrofluorocarbon 134a. In this process, the trichloroethylene molecule is destroyed to form the new fluorinated compound. Trichloroethylene's advantages for metal cleaning include the ability to degrease more thoroughly and several times faster than alkaline cleaners, and its compatibility with smaller equipment that consumes less energy. Trichloroethylene is an important solvent for degreasing aluminum and for cleaning sheet and strip steel prior to galvanizing. Trichloroethylene also is used for cleaning liquid oxygen and hydrogen tanks. Commercial trichloroethylene formulations include a stabilizer system to help prevent solvent breakdown caused by contaminants, such as acids, metal chips, and fines, and exposure to oxygen, light, and heat.Trichloroethylene is also used as a solvent in some nonflammable adhesive and aerosol formulations, and as a low temperature heat-transfer medium. Other applications of trichloroethylene include its use as a solvent in the metal processing, electronics, printing, pulp and paper, and textile industries.

264 supplier list of "Trichloroethylene"

    US $50.00/ 1ASSAYS

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  • Product Name:TRICHLOROETHOXIDE
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    US $1.00/ 1KG

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    US $1.00/ 200KG

  • Product Name:Trichloroethylene
  • Products Intro:Purity: 99% | Package: 200KG;1USD
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  • Product Name:Trichloroethylene
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  • Type of Enterprise: Trader
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