Vinylidene chloride

Agent Name
Vinylidene chloride
Alternative Name
1,1-Dichloroethylene
CAS Number
75-35-4
Formula
C2-H2-Cl2
Major Category
Plastics & Rubber
Vinylidene chloride formula graphical representation
Synonyms
1,1-Dichloroethylene; 1,1-Dce; 1,1-Dichloroethene; 1,1-Dichloroethylene; Chlorure de vinylidene [French]; Ethene, 1,1-dichloro-; Ethylene, 1,1-dichloro-; VDC; Vinylidene chloride; Vinylidene chloride (II); Vinylidene chloride (inhibited); Vinylidene chloride, monomer; Vinylidene dichloride; Vinylidine chloride; as-Dichloroethylene; asym-Dichloroethylene; [ChemIDplus] UN1303
Category
Vinyl Halides
Description
Colorless liquid or gas (above 89 degrees F) with a mild, sweet, chloroform-like odor; [NIOSH]
Sources/Uses
Used as co-monomer in production of polymers for coatings, films, lacquer resins, and flame resistant binders in carpet backing; [ACGIH]
Comments
Liquid causes first degree burns on short exposure. [CHRIS] Similar to carbon tetrachloride, it is toxic to the liver and kidneys in animals exposed to high concentrations. [ACGIH] Possible frostbite from contact with liquid; [NIOSH] A skin, eye, and respiratory tract irritant; Inhalation of high concentrations can cause CNS depression; [ICSC] Vinylidene chloride, stabilized (UN1303) has warning of explosive polymerization; [ERG 2016]
Biomedical References

Exposure Assessment

Skin Designation (ACGIH)
Insufficient data
TLV (ACGIH)
5 ppm
MAK
2 ppm
Vapor Pressure
600 mm Hg
Lethal Concentration
LC50 (rat) = 6,350 ppm/4h
Explosive Polymerization
Yes
Explanatory Notes
Flash point = 14 deg F;
Half Life
Estimated from animal studies: 20 hours; [TDR, p.495]
Reference Link #2
NFPA
burn readily
ERPG-1
Insufficient data
ERPG-2
500 ppm
ERPG-3
1,000 ppm

Adverse Effects

Neurotoxin
Acute solvent syndrome
Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
Nephrotoxin
Yes
Dermatotoxin
Skin burns
IARC Carcinogen
Possible (2b)
ACGIH Carcinogen
Not Classifiable

Diseases, Processes, and Activities Linked to This Agent

Diseases

Occupational diseases associated with exposure to this agent: