VINYLIDENE CHLORIDE manufacturers and suppliers

VINYLIDENE CHLORIDE suppliers

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

Safety Information

Symbol(GHS): GHS02,GHS06,GHS08,GHS09

Signal word: Danger

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

F: 1-8-10

Autoignition Temperature: 968 °F

TSCA: Yes

HS Code: 2903 29 00

HazardClass: 3

PackingGroup: I

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.

Use

Vinylidene chloride is used in the manufacture of 1,1,1-trichloroethane (methyl chloroform). However, the manufacture of polyvinylidene copolymers is the major use of VDC. The extruded films of the copolymers are used in packaging and have excellent resistance to water vapor and most gases. The chief copolymer is Saran (polyvinylidene chloride/vinyl chloride), a transparent film used for food packaging. The films shrink when exposed to higher than normal temperatures. This characteristic is advantageous in the heat-shrinking of overwraps on packaged goods and in the sealing of the wraps. Applications of VDC latexes include mixing in cement to produce highstrength mortars and concretes, and as binders for paints and nonwoven fabrics providing both water resistance and nonflammability. VDC polymer lacquers are also used in coating films and paper. VDC is also used to produce fibers. Monofilaments, made by extruding the copolymer, are used in the textile industry as furniture and automobile upholstery; drapery fabric; outdoor furniture; venetian-blind tape; and filter cloths.

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