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VINYLIDENE CHLORIDE Structure

VINYLIDENE CHLORIDE

Chemical Properties

Melting point -122 °C (lit.)
Boiling point 30-32 °C (lit.)
Density  1.213 g/mL at 20 °C (lit.)
vapor density  3.46 (vs air)
vapor pressure  9.68 psi ( 20 °C)
refractive index  n20/D 1.426
Flash point −9 °F
storage temp.  Store at +2°C to +8°C.
solubility  2.5g/l
form  Liquid
color  Clear colorless
explosive limit 8.4-16.5%(V)
Water Solubility  Soluble in water (2.5g/L at 20°C).
Sensitive  Light Sensitive
Merck  14,9996
BRN  1733365
Henry's Law Constant 0.86, 1.00, 1.27, 1.97, and 2.66 at 2.0, 6.0, 10.0, 18.0, and 25.0 °C, respectively (EPICS-SPME, Dewulf et al., 1999)
Exposure limits TLV-TWA 5 ppm (~20 mg/m3) (ACGIH); TLV-STEL 20 ppm (ACGIH); carcinogenic ity: Animal Limited Evidence, Human Inad equate Evidence (IARC).
Dielectric constant 4.7(16℃)
Stability Stable. Very flammable - note low flash point. Vapour may travel considerable distances to a source of ignition. Incompatible with strong oxidizing agents, alcohols, halides, sopper, aluminium. Rapidly absorbs oxygen from the air and forms explosive peroxides. Light and water promote self-polymerisation. May form explosive mix
EPA Primary Drinking Water Standard MCL:0.007,MCLG:0.007
Indirect Additives used in Food Contact Substances VINYLIDENE CHLORIDE
FDA 21 CFR 175.105; 175.300; 175.320; 176.180; 177.1010; 178.3790
CAS DataBase Reference 75-35-4(CAS DataBase Reference)
EWG's Food Scores 4-7
FDA UNII 21SK105J9D
Proposition 65 List Vinylidene Chloride (1,1-Dichloroethylene)
IARC 2B (Vol. 39, Sup 7, 71, 119) 2019
EPA Substance Registry System 1,1-Dichloroethylene (75-35-4)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H224-H301-H319-H332-H351-H372-H373-H411
Precautionary statements P210-P233-P273-P301+P310-P304+P340+P312-P403+P233
Hazard Codes  F+,Xn,T,F
Risk Statements  12-20-40-39/23/24/25-23/24/25-11
Safety Statements  7-16-29-36/37-46-45
RIDADR  UN 1303 3/PG 1
WGK Germany  3
RTECS  KV9275000
1-8-10
Autoignition Temperature 968 °F
TSCA  Yes
HS Code  2903 29 00
HazardClass  3
PackingGroup  I
Hazardous Substances Data 75-35-4(Hazardous Substances Data)
Toxicity Acute oral LD50 for rats 1,550 mg/kg, male mice 194 mg/kg, female mice 217 mg/kg (Jones and Hathway, 1978):dogs 5,750 mg/kg (Tierney et al., 1979). Heitmuller et al. (1981) reported a NOEC of 80 ppm.
NFPA 704:
4
4 2

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