Safety data for 1,1,1-trichloroethane

Glossary of terms on this data sheet.

The information on this web page is provided to help you to work safely, but it is intended to be an overview of hazards, not a replacement for a full Material Safety Data Sheet (MSDS). MSDS forms can be downloaded from the web sites of many chemical suppliers.

General

Synonyms: methyl chloroform, methyltrichloromethane, chlorothene, chlorten, NCI-C04626
Molecular formula: CH₃CCl₃
CAS No: 71-55-6
EC No: 200-756-3

Physical data

Appearance: colourless liquid with a mild ether-like odour
Melting point: -33 C
Boiling point: 74 C
Specific gravity: 1.32
Vapour pressure: 100 mm Hg at 20 C
Flash point: none
Flammable limits: 7.5% - 15%
Autoignition temperature: 536 C

Stability

Stable. Substances to be avoided include water, strong bases, aluminium and its alloys, magnesium and its alloys, chemically active metals, strong oxidizing agents. Reacts violently with sodium and potassium. Flammable.

Toxicology

Harmful by inhalation, ingestion and through skin absorption. Irritant. Possible mutagen. Possible risk of harm to the unborn child. Prolonged exposure may cause dermatitis. Toxic gases are evolved on combustion.

Toxicity data
(The meaning of any abbreviations which appear in this section is given here.)
ORL-RAT LD50 9600 mg kg^-1

Risk phrases
(The meaning of any risk phrases which appear in this section is given here.)
R20 R21 R22 R59.

Environmental information

May cause damage to the ozone layer.

Personal protection

Safety glasses. Good ventilation.

Safety phrases
(The meaning of any safety phrases which appear in this section is given here.)
S24 S25 S59 S61.

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