Safety Data fo Vinyl Chloride
General
Synonyms: vinyl chloride monomer, monochloroethylene, ethylene monochloride, monochloroethene, VC, VCM, chloroethene, chloroethylene
Molecular formula: C2H3Cl
CAS No: 75-01-4
EINECS No: 200-831-0
Annex I Index No: 602-023-00-7
Physical data
Appearance: colourless gas
Melting point: -153.7 C
Boiling point: -13.9 C
Vapour density: 2.2 (air = 1)
Vapour pressure: 2580 mm Hg at 20 C
Density (g cm-3): 0.9106
Flash point: -61 C (closed cup)
Explosion limits:
Autoignition temperature:
Water solubility: 0.11 g 100 cm-3 at 25 C
Critical temperature: 156.5 C
Stability
Stable, but may be light sensitive. May undergo autopolymerization. Incompatible with strong oxidizing agents, chemically active metals, copper. Highly flammable. Severe explosion risk at concentrations of around 3%. It is reported that "large fires of this material are practically inextinguishable".
Toxicology
This material is a known human carcinogen. Harmful if inhaled or absorbed through the skin. May be a reproductive hazard. Typical TWA 1 ppm.
Toxicity data
(The meaning of any abbreviations which appear in this section is given here.)
IHL-MAN TCLO 500 ppm/4y-i
ORL-RAT LD50 500 mg kg-1
Risk phrases
(The meaning of any risk phrases which appear in this section is given here.)
R13 R20 R21 R22 R45.
Transport information
(The meaning of any UN hazard codes which appear in this section is given here.)
UN No 1086. Major hazard class 2. Subsidiary hazard class 3. Not permitted as cargo on passenger planes.
Personal protection
Safety glasses, good ventilation. Handle as a carcinogen.
Safety phrases
(The meaning of any safety phrases which appear in this section is given here.)
S9 S16 S44 S53.
Source: Vinyl Chloride Safety Data
