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Product Name: 1,1,1-Trichloroethane

Synonyms: 1,1,1- threeethyl chloride;1,1,1-Trichloroethane in dimethyl sulfoxide;1,1,1-Trichloroethane Standard;Residual Solvent Class 1 - 1,1,1-Trichloroethane ;1,1,1-Trichloroethane in Dimethyl Sulfoxide, USP 467 Standard;1,1,1-trichloroethane(tcea);1,1,1-Trichloroethane-surfactants-butane-propane;1,1,1-Tricloroetano

CAS: 71-55-6

MF: C2H3Cl3

MW: 133.4

EINECS: 200-756-3

Product Categories: Industrial/Fine Chemicals;CFC;refrigerants;Organics

Mol File: 71-55-6.mol

1,1,1-Trichloroethane Structure

1,1,1-Trichloroethane Chemical Properties

Melting point −35 °C(lit.)

Boiling point 74-76 °C(lit.)

density 1.336 g/mL at 20 °C(lit.)

vapor density 4.6 (vs air)

vapor pressure 100 mm Hg ( 20 °C)

refractive index n20/D 1.4366(lit.)

Fp 11 °C

storage temp. 0-6°C

solubility Sparingly soluble in ethyl alcohol; freely soluble in carbon disulfide, benzene, ethyl ether, methanol, carbon tetrachloride (U.S. EPA, 1985), and many other organic solvents.

form Fluid

Water Solubility 1.4 g/L (20 ºc)

Merck 13,9710

Henry's Law Constant 2.77 at 40 °C, 4.27 at 50 °C, 6.31 at 60 °C, 7.91 at 70 °C, 8.98 at 80 °C (headspace-GC, Vane et al., 2001)

Exposure limits TLV-TWA 350 ppm (～1900 mg/m3) (ACGIH, MSHA, and OSHA); TLV-STEL 450 ppm (～2450 mg/m3) (ACGIH); IDLH 1000 ppm (NIOSH).

InChIKey UOCLXMDMGBRAIB-UHFFFAOYSA-N

CAS DataBase Reference 71-55-6(CAS DataBase Reference)

NIST Chemistry Reference Ethane, 1,1,1-trichloro-(71-55-6)

EPA Substance Registry System 1,1,1-Trichloroethane (71-55-6)

Safety Information

Hazard Codes Xn,N,T,F

Risk Statements 20-59-66-40-19-39/23/24/25-23/24/25-11-36/38

Safety Statements 24/25-59-61-9-46-16-45-36/37-7-26

RIDADR UN 2831 6.1/PG 3

WGK Germany 3

RTECS KJ2975000

HazardClass 6.1(b)

PackingGroup III

HS Code 29031910

Hazardous Substances Data 71-55-6(Hazardous Substances Data)

Toxicity Acute oral LD50 for dogs 750 mg/kg, guinea pigs 9,470 mg/kg, mice 11,240 mg/kg, rats 10,300 mg/kg, rabbits 5,660 mg/kg (quoted, RTECS, 1985).