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HomeProduct name list4-Vinyl-1-cyclohexene

4-Vinyl-1-cyclohexene

Synonym(s):4-Ethenyl-1-cyclohexene;NSC 15760

  • CAS NO.:100-40-3
  • Empirical Formula: C8H12
  • Molecular Weight: 108.18
  • MDL number: MFCD00001576
  • EINECS: 202-848-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-08-23 18:01:39
4-Vinyl-1-cyclohexene Structural

What is 4-Vinyl-1-cyclohexene?

Chemical properties

Liquid. Temperatures above 80F (26.6C) and prolonged exposure to oxygen-containing gases should be avoided because these conditions lead to discoloration and gum formation.

Chemical properties

4-Vinyl-1-cyclohexene, a cyclic alkene, is a highly flammable liquid.

The Uses of 4-Vinyl-1-cyclohexene

Polymers, organic synthesis.

The Uses of 4-Vinyl-1-cyclohexene

As an intermediate in the production of flame retardants, flavors, fragrances, and vinyl cyclohexene dioxide (which itself is used in the manufacture of epoxy resins); found in gases discharged during the process of curing rubber in tire manufacturing.

Definition

ChEBI: 4-Vinylcyclohexene is a cyclic olefin.

Production Methods

4-Vinylcyclohexene is produced by dimerization of butadiene, as a by-product of chlorination of butadiene, or frombutadiene on long storage.

Synthesis Reference(s)

Journal of the American Chemical Society, 108, p. 1322, 1986 DOI: 10.1021/ja00266a047
Synthesis, p. 1027, 1984

General Description

Colorless liquid. Floats on water. Temperatures above 80F (26.6C) and prolonged exposure to oxygen-containing gases should be avoided because these conditions lead to discoloration and gum formation.

Air & Water Reactions

Highly flammable. 4-Vinyl-1-cyclohexene oxidizes in air to form hydroperoxides. Slightly soluble in water.

Reactivity Profile

4-Vinyl-1-cyclohexene can react with oxidizing materials. 4-Vinyl-1-cyclohexene is also incompatible with peroxide catalysts. Prolonged exposure to oxygen-containing gases leads to discoloration and gum formation. .

Health Hazard

Exposure can cause irritation of eyes, nose and throat. High concentrations have a narcotic effect.

Safety Profile

Confirmed carcinogen with experimental carcinogenic, neoplastigenic, and tumorigenic data. Moderately toxic by ingestion and inhalation. MilcU~7 toxic by skin contact. Experimental reproductive effects. Dangerous fire hazard when exposed to heat, flame, or oxidizers. Can react with oxidizers. To fight fire, use foam, CO2, dry chemical.

Potential Exposure

4-Vinyl-1-cyclohexene is used as an intermediate for the production of vinylcyclohexene dioxide, which is used as a reactive diluent in epoxy resins. Previous uses of 4-vinyl-1-cyclohexene include comonomer in the polymerization of other monomers and for halogenation to polyhalogenated derivatives which are used as flame retardants.

Carcinogenicity

A dose of 145 g/kg applied to mouse skin for 54 weeks provided weak evidence of carcinogenicity (109). Administration by gavage of doses of 0, 200, or 400 mg/kg body weight, 5 days per week, to groups of 50 F344/N rats for 103 weeks induced a slightly increased incidence of epithelial hyperplasia of the forestomach (1/50; 3/50; 5/47) and squamous cell papillomas or carcinomas (combined) of the skin, in males receiving the highest dose. Low-dose female rats whose survival was more similar to that of the vehicle controls had a marginally increased incidence of adenomas or squamous cell carcinomas (combined) of the clitoral gland. Under these conditions, the 2-year gavage studies in male and female rats were considered inadequate because of extensive and early mortality at the high dose or at body doses and the lack of conclusive evidence of a carcinogenic effect (125a). In female Fisher 344 rats treated with this agent to induce ovarian failure followed by application of the carcinogen dimethylbenzanthracene (DMBA) directly to the ovaries, there resulted tumors in 42% of animals at 3 months and 57% at 5 months (126b). All neoplasms were classified Sertoli–Leydig cell tumors (SLCT). No tumors occurred in animals treated with vehicle or DMBA alone.

Shipping

UN1993 Flammable liquids, n.o.s., Hazard Class: 3; Labels: 3-Flammable liquid, Technical Name Required.

Incompatibilities

Vapor may form explosive mixture with air. Hydrolyzes in water. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, amines, alcohols.

Waste Disposal

Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. All federal, state, and local environmental regulations must be observed.

Properties of 4-Vinyl-1-cyclohexene

Melting point: -101 °C
Boiling point: 126-127 °C(lit.)
Density  0.832 g/mL at 25 °C(lit.)
vapor density  3.76 (vs air)
vapor pressure  10.2 mm Hg ( 25 °C)
refractive index  n20/D 1.463(lit.)
Flash point: 68 °F
storage temp.  2-8°C
form  Powder
color  Off-white to beige-brownish
Specific Gravity 0.832
Water Solubility  50mg/L(25 ºC)
BRN  1901553
CAS DataBase Reference 100-40-3(CAS DataBase Reference)
IARC 2B (Vol. Sup 7, 60) 1994
EPA Substance Registry System 4-Vinylcyclohexene (100-40-3)

Safety information for 4-Vinyl-1-cyclohexene

Signal word Danger
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Exclamation Mark
Irritant
GHS07
ghs
Health Hazard
GHS08
GHS Hazard Statements H225:Flammable liquids
H304:Aspiration hazard
H315:Skin corrosion/irritation
H351:Carcinogenicity
H361:Reproductive toxicity
H412:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P201:Obtain special instructions before use.
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P273:Avoid release to the environment.
P331:Do NOT induce vomiting.
P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

Computed Descriptors for 4-Vinyl-1-cyclohexene

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