PERCHLOROETHYLENE

PRODUCT IDENTIFICATION

CAS NO 127-18-4

PERCHLOROETHYLENE

EINECS NO. 204-825-9
FORMULA Cl2C=CCl2
MOL WT. 165.83
H.S. CODE 2903.23

TOXICITY

Oral rat LD50: 2629 mg/kg
SYNONYMS Tetrachloroethene; 1,1,2,2-Tetrachloroethylene;
Ethylene Tetrachloride; Dowper; Perclene; Nema; Tetracap; Tetropil; Ankilostin; Didakene; Carbon Dichloride; Perchlor; Antisol 1; Fedal-un; Perawin; Perclene d; Percosolve; Perklone; Persec; Tetlen; Tetraleno; Tetralex; tetravec; Tetroguer; Tetrochloroethane; Tetrachloroethylene; Czterochloroetylen (Polish); Perchloorethyleen (Dutch); Perchloraethylen, ; Perchlorethylene (French); Percloroetilene (Italian); Tetrachlooretheen (Dutch); Tetrachloraethen (German); Tetracloroetene (Italian); PER;

SMILES

 

CLASSIFICATION

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE Colorless liquid with an ether or chloroform like odor
MELTING POINT -22 C
BOILING POINT 121 C
SPECIFIC GRAVITY 1.623
SOLUBILITY IN WATER Nearly insoluble
pH

 

VAPOR DENSITY 5.2
AUTOIGNITION

 

NFPA RATINGS Health: 2; Flammability: 0; Reactivity: 0

REFRACTIVE INDEX

1.5049
FLASH POINT

None

STABILITY Stable under ordinary conditions but may be slowly decomposed by light and prolonged storage

GENERAL DESCRIPTION & APPLICATIONS

Perchloroethylene (also called  Tetrachloroethylene) is a clear colourless, dense liquid with a distinctive, somewhat ether-like odour. It is non flammable highly stable, having no measurable flash point or flammable limits in air, belonging to the family of organic halogen compounds. This chemical is oxidized by strong oxidizing agents like sulfuric acid, nitric acid and sulfur trioxide but incompatible with strong bases. It reacts violently with barium, beryllium lithium, dinitrogen tetraoxide and aluminum. Perchloroethylene does not occur naturally but is a manufactured chemical mainly by oxyhydrochlorination, perchlorination, or dehydrochlorination of hydrocarbons or chlorinated hydrocarbons. It's broad applications are based upon its nonflammability and low toxicity. It is the most widely used solvent in dry cleaning displacing carbon tetrachloride and trichloroethylene and also used for cleaning metals and certain other solids in vapour-degreasing apparatuses.  It is used as a solvent for fats, greases, waxes, rubbers, gums and caffeine from coffee. It is also used for processing textiles, as an anthelminthic against ancylostoma, necator, nematodes and trematodes in veterinary medicines, a heat-exchange fluid and in copying machines. This compound is used as an intermediate to manufacture trichloroacetic acid, fluorocarbons, paint removers and in printing inks. Small quantities are employed as a vermifuge.

SALES SPECIFICATION

APPEARANCE

Colorless liquid with an ether or chloroform like odor

PURITY

99.8% min

ORGANIC IMPURITIES

0.1% max

MOISTURE

0.003% max

STABILIZER RANGE

0.002% max

BOILING POINT

120 C min

COLOR, HAZEN

15 max

TRANSPORTATION
PACKING 350kgs in drum
HAZARD CLASS 6.1 (Packing group: III)
UN NO. 1897
OTHER INFORMATION
European Hazard Symbols: XN N, Risk Phrases: 40-51/53, Safety Phrases: 23-36/37-61

CHLORINATED SOLVENTS

COMPOUND

CAS #

FORMULA (MOL WT.)

BOILING POINT C

DENSITY

VAPOR DENSITY

Methyl chloride 74-87-3 CH3Cl (50.49)

-24.2

0.915

1.74

Methylene chloride 75-09-2 CH2Cl2 (84.93) 39.8 1.3 2.9
Chloroacetic Acid 79-11-8 ClCH2COOH (94.50)

188

1.58

3.3

1,1-Dichloroethene 75-35-4 CH2=CCl2 (96.94) 31.7 1.213

3.4

1,2-Dichloroethylene (isomer mixture) 540-59-0 ClCH=CHCl  (96.94) 48 - 60 1.3 3.4
1,1-Dichloroethane 75-34-3 CH3CHCl2  (98.96) 57.3 1.2 3.4
Ethylene dichloride 107-06-2 ClCH2CH2Cl  (98.96) 83.5 1.2 3.4
Chloroacetic Chloride 79-04-9 ClCH2COCl (112.94)

105

1.42

3.9

1,2-Dichloropropane 78-87-5 CH3CHClCH2Cl  (112.99) 96.8 1.2 3.9
Chloroform (Trichloromethane) 67-66-3 CHCl3  (119.38) 61.7 1.5 4.1
Trichloroethylene 79-01-6 ClCH=CCl2  (131.39) 86.7 1.5 4.5
1,1,1-Trichloroethane (Methyl Chloroform) 71-55-6 Cl3CCH3  (133.40) 74.1 1.3 4.6
1,1,2-Trichloroethane 79-00-5 ClCH2CHCl2  (133.40) 113.8 1.4 4.6
1,2,3-Trichloropropane 96-18-4 CH2ClCHClCH2Cl  (147.43) 156 1.4 5.1
Carbon Tetrachloride 56-23-5 CCl4  (153.82) 76.7 1.6 5.3
1,1,2,2-Tetrachloroethylene 127-18-4 CCl2=CCl2  (165.83) 121.1 1.6 5.8
1,1,2,2-Tetrachloroethane 79-34-5 CHCl2CHCl2  (167.85) 146.3 1.6 5.8

The production and use of 1,1,1-trichloroethane and carbon tetrachloride have been phased out throughout the world because of suspected harm to the earth's ozone layer.