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Vinylidene chloride

Vinylidene chloride structure

CAS No:
75-35-4
Formula:
C2H2Cl2
Chemical Name:
Vinylidene chloride
Synonyms:
Ethene,1,1-dichloro-;Ethylene,1,1-dichloro-;1,1-Dichloroethene;Vinylidene chloride;1,1-Dichloroethylene;HCC 1130a;F 1130a;R 1130a;Iso-dichloroethylene;Diofan A 565S;XAN 10
Categories:
Organic Chemistry > Hydrocarbons and Derivatives

Description

Colorless liquid. Readily polymerizes. Insoluble in water. Commercial product contains small proportion of inhibitor. Vinylidene chloride is a volatile liquid. Mild, sweet odor resembling chloroform. The odor threshold in air is 500 ppm.

Vinylidene chloride Basic Attributes

Molecular Weight：

96.94

Exact Mass：

96.94

BRN：

1733365

EC Number：

200-864-0

HScode：

29032900

Characteristics

PSA：

XLogP3：

2.41

Appearance：

Clear colorless Liquid

Density：

1.2129 g/cm³ @ Temp: 20 °C

Melting Point：

-122.5 °C

Boiling Point：

31.7 °C @ Press: 760 Torr

Flash Point：

−9 °F

Refractive Index：

n20/D 1.426

Water Solubility：

soluble in water (2.5g/L at 20°C).

Storage Conditions：

2-8°C

Vapor Pressure：

9.68 psi ( 20 °C)

Vapor Density：

3.46 (vs air)

Toxicity：

Oral-Rat LD50: 200 mg/kg; Oral-Mouse LD50: 194 mg/kg

Flammability characteristics：

Inflammable in case of fire, high temperature and oxidant; decomposes toxic chloride gas with high heat

Explosive limit：

8.4-16.5%(V)

Odor：

Mild, sweet odor resembling that of chloroform

Safety Information

Packing level：

Hazard category：

Transport codes：

UN 1303 3/PG 1

wgk germany：

hazard class code：

12-20-40-39/23/24/25-23/24/25-11

safety instructions：

7-16-29-36/37-46-45

RTECS Number：

KV9275000

Marks：

F+,Xn,T,F

Storage features：

The warehouse is ventilated, low temperature and dry; stored separately from oxidants and acids

Explosive characteristics：

Explosive when mixed with air

Stability/Shelf Life：

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

Precautionary statement(s)：

P201, P202, P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P280, P281, P301+P312, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P308+P313, P312, P314, P330, P337+P313, P370+P378, P403+P235, P405, P501

Hazard Statements：

H224

Toxicity

Toxicity class：

highly toxic

Vinylidene chloride Use and Manufacturing

Methods of Manufacturing

The industrial preparation method is to prepare 1, 1, 2-trichloroethane with vinyl chloride and chlorine gas at 80～90℃ using iron filings as the catalyst, and then carry out trichloroethane and sodium hydroxide at 80～90℃ In the reaction, one molecule of hydrogen chloride is removed to obtain crude vinylidene chloride, and then the finished product is obtained by distillation. Reaction equation: CH2=CHCl[Cl2]→[FeCl3]CH2Cl—CHCl2[NaOH]→CH2=CCl2

Uses

Intermediate in the production of "vinylidene polymer plastics" such as Saran (Dow) .

Computed Properties

Molecular Weight:96.94
XLogP3:2.3
Exact Mass:95.9533555
Monoisotopic Mass:95.9533555
Heavy Atom Count:4
Complexity:27
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

1,2-Dichloroethane

Tetrachloroethylene

Ethane

Hydrochloric acid

Trichloroethylene

Recommended Suppliers of Vinylidene chloride

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Vinylidene Chloride

CAS No.: 75-35-4

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Content: 99%

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