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A7660912

Tetrachloroethylene , StandardforGC,≥99.9%(GC) , 127-18-4

Synonym(s):
Ethylene tetrachloride, Perchloroethylene, PCE;PCE;Perchloroethylene;Tetrachloroethylene

CAS NO.:127-18-4

Empirical Formula: C2Cl4

Molecular Weight: 165.83

MDL number: MFCD00000834

EINECS: 204-825-9

Update time: 2022-07-08

PRODUCT Properties

Melting point: -22 °C (lit.)
Boiling point: 121 °C (lit.)
Density  1.623 g/mL at 25 °C (lit.)
vapor density  5.83 (vs air)
vapor pressure  13 mm Hg ( 20 °C)
refractive index  n20/D 1.505(lit.)
Flash point: 120-121°C
storage temp.  Store at +2°C to +25°C.
solubility  water: soluble0.15g/L at 25°C
form  Liquid
color  APHA: ≤10
Odor chloroform-like odor
Odor Threshold 0.77ppm
Water Solubility  Miscible with alcohol, ether, chloroform, benzene and hexane. Slightly miscible with water.
FreezingPoint  -22.0℃
λmax λ: 290 nm Amax: 1.00
λ: 295 nm Amax: 0.30
λ: 300 nm Amax: ≤0.20
λ: 305 nm Amax: 0.10
λ: 350 nm Amax: 0.05
λ: 400 nm Amax: 0.03
Merck  14,9190
BRN  1361721
Henry's Law Constant 4.97 at 1.8 °C, 15.5 at 21.6 °C, 34.2 at 40.0 °C, 47.0 at 50 °C, 68.9 at 60 °C, 117.0 at 70 °C (EPICS-GC, Shimotori and Arnold, 2003)
Exposure limits TLV-TWA 50 ppm (~325 mg/m3) (ACGIH), 100 ppm (MSHA and OSHA); TLV-STEL 200 ppm (ACGIH); carcinogenicity: Animal Limited Evidence.
Dielectric constant 2.5(21℃)
Stability: Stable. Incompatible with strong oxidizing agents, alkali metals, aluminium, strong bases.
LogP 2.53 at 20℃

Description and Uses

Perchloroethylene (Tetrachloroethylene) is a colourless liquid with a slightly ethereal odour. It is marginally soluble in water and soluble in most organic solvents.Perchloroethylene has a limited number of uses and applications. It is used as intermediate, as dry cleaning agent in the industrial and professional sector, as surface cleaning agent in industrial settings, as heat transfer medium in industrial settings, and in film cleaning and copying by professionals. It is also used as a chemical intermediate in the production of fluorinated compounds and in industrial surface cleaning metal degreasing. Occupational exposure to perchloroethylene is possible in the manufacturing facilities or the industrial facilities where it is used as an intermediate.

Tetrachloroethylene is used as a solvent, indrycleaning, and in metal degreasing.Tetrachloroethylene is a common industrial solvent that is often found as a contaminant in groundwater. Tetrachloroethylene is also a suspected carcinogen to humans and is difficult to degrade biologically as it has no natural source. This compound is a contaminant of emerging concern (CECs).

Safety

Symbol(GHS) 
GHS07,GHS08,GHS09
Signal word  Warning
Hazard statements  H315-H317-H319-H336-H351-H411
Precautionary statements  P201-P273-P280-P302+P352-P305+P351+P338-P308+P313
Hazard Codes  Xn,N,T,F
Risk Statements  40-51/53-23/25-11-39/23/24/25-23/24/25
Safety Statements  23-36/37-61-45-24-16-7
RIDADR  UN 1897 6.1/PG 3
WGK Germany  3
RTECS  KX3850000
Autoignition Temperature 260℃
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29032300
Toxicity LD50 orally in mice: 8.85 g/kg (Dybing); LC for mice in air: 5925 ppm (Lazarew)
IDLA 150 ppm

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