Global Information Lookup Global Information

Chloroprene information


Chloroprene
Chloroprene
Chloroprene
Chloroprene
Chloroprene
Names
Preferred IUPAC name
2-Chlorobuta-1,3-diene
Other names
Chloroprene, 2-chloro-1,3-butadiene, Chlorobutadiene, β-Chloroprene
Identifiers
CAS Number
  • 126-99-8 checkY
3D model (JSmol)
  • Interactive image
Beilstein Reference
741875
ChEBI
  • CHEBI:39481 checkY
ChEMBL
  • ChEMBL555660 checkY
ChemSpider
  • 29102 checkY
ECHA InfoCard 100.004.381 Edit this at Wikidata
EC Number
  • 204-818-0
Gmelin Reference
277888
KEGG
  • C19208 checkY
PubChem CID
  • 31369
RTECS number
  • EL9625000
UNII
  • 42L93DWV3A checkY
UN number 1991
CompTox Dashboard (EPA)
  • DTXSID5020316 Edit this at Wikidata
InChI
  • InChI=1S/C4H5Cl/c1-3-4(2)5/h3H,1-2H2 checkY
    Key: YACLQRRMGMJLJV-UHFFFAOYSA-N checkY
  • InChI=1/C4H5Cl/c1-3-4(2)5/h3H,1-2H2
    Key: YACLQRRMGMJLJV-UHFFFAOYAQ
SMILES
  • C=C(Cl)C=C
Properties
Chemical formula
C4H5Cl
Molar mass 88.5365 g/mol
Appearance Colorless liquid
Odor Pungent, ether-like
Density 0.9598 g/cm3
Melting point −130 °C (−202 °F; 143 K)
Boiling point 59.4 °C (138.9 °F; 332.5 K)
Solubility in water
0.026 g/100 mL
Solubility Soluble in alcohol, diethyl ether
Miscible in ethyl ether, acetone, benzene
Vapor pressure 188 mmHg (20 °C)[1]
Refractive index (nD)
1.4583
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Highly flammable, irritant, toxic
GHS labelling:
Pictograms
GHS02: FlammableGHS07: Exclamation markGHS08: Health hazard
Signal word
Danger
Hazard statements
H225, H302, H315, H319, H332, H335, H350, H373
Precautionary statements
P201, P202, P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P280, P281, P301+P312, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P308+P313, P312, P314, P321, P330, P332+P313, P337+P313, P362, P370+P378, P403+P233, P403+P235, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 3: Liquids and solids that can be ignited under almost all ambient temperature conditions. Flash point between 23 and 38 °C (73 and 100 °F). E.g. gasolineInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
2
3
0
Flash point −15.6 °C (3.9 °F; 257.5 K)
Explosive limits 1.9–11.3%[1]
Lethal dose or concentration (LD, LC):
LD50 (median dose)
450 mg/kg (rat, oral)
LC50 (median concentration)
3207 ppm (rat, 4 hr)[2]
LCLo (lowest published)
1052 ppm (rabbit, 8 hr)
350 ppm (cat, 8 hr)[2]
NIOSH (US health exposure limits):
PEL (Permissible)
TWA 25 ppm (90 mg/m3) [skin][1]
REL (Recommended)
Ca C 1 ppm (3.6 mg/m3) [15-minute][1]
IDLH (Immediate danger)
300 ppm[1]
Related compounds
Related Dienes
Butadiene
Isoprene
Related compounds
Vinyl chloride
2,3-Dichlorobutadiene
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)
Infobox references

Chloroprene (IUPAC name 2-chlorobuta-1,3-diene) is a chemical compound with the molecular formula CH2=CCl−CH=CH2.[3] Chloroprene is a colorless volatile liquid, almost exclusively used as a monomer for the production of the polymer polychloroprene, better known as neoprene, a type of synthetic rubber.

  1. ^ a b c d e NIOSH Pocket Guide to Chemical Hazards. "#0133". National Institute for Occupational Safety and Health (NIOSH).
  2. ^ a b "ß-Chloroprene". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
  3. ^ Cite error: The named reference Ross was invoked but never defined (see the help page).

and 25 Related for: Chloroprene information

Request time (Page generated in 0.5494 seconds.)

Chloroprene

Last Update:

Chloroprene (IUPAC name 2-chlorobuta-1,3-diene) is a chemical compound with the molecular formula CH2=CCl−CH=CH2. Chloroprene is a colorless volatile...

Word Count : 1841

Neoprene

Last Update:

a family of synthetic rubbers that are produced by polymerization of chloroprene. Neoprene exhibits good chemical stability and maintains flexibility...

Word Count : 2307

Hydrogen chloride

Last Update:

hydrochlorinations of alkynes in producing the chlorinated monomers chloroprene and vinyl chloride, which are subsequently polymerized to make polychloroprene...

Word Count : 2805

Cancer Alley

Last Update:

in 2000). In 1969, DuPont opened a plant to manufacture the chemical chloroprene, the main ingredient in neoprene, in Reserve, Louisiana on the border...

Word Count : 4518

Vulcanization

Last Update:

Examples include silicone rubber via room temperature vulcanizing and chloroprene rubber (neoprene) using metal oxides. Vulcanization can be defined as...

Word Count : 1261

Denka

Last Update:

emitting chloroprene which is defined as "likely to be carcinogenic to humans" by the EPA. Up to 755 times the safe air value of 0.2 μg/m3 of chloroprene has...

Word Count : 473

Petrochemical

Last Update:

chloroprene; elastomeric polymers are often made with a high percentage of conjugated diene monomers such as 1,3-butadiene, isoprene, or chloroprene higher...

Word Count : 2009

DuPont

Last Update:

million and $945 million. In October 2015, DuPont sold the Neoprene chloroprene rubber business to Denka Performance Elastomers, a joint venture of Denka...

Word Count : 8253

Vinylacetylene

Last Update:

of 1,3-butadiene is yet another route.[citation needed] At one time, chloroprene (2-chloro-1,3-butadiene), an industrially important monomer, was produced...

Word Count : 452

Elastomer

Last Update:

polyisoprene (IR for isoprene rubber) Polybutadiene (BR for butadiene rubber) Chloroprene rubber (CR), polychloroprene, neoprene Butyl rubber (copolymer of isobutene...

Word Count : 977

Wallace Carothers

Last Update:

April 1930, one of Carothers' staff, Dr. Arnold M. Collins, isolated chloroprene, a liquid which polymerized to produce a solid material that resembled...

Word Count : 3090

Lead carbonate

Last Update:

polymerize formaldehyde to poly(oxymethylene). It improves the bonding of chloroprene to wire. The supply and use of this compound is restricted in Europe...

Word Count : 357

Ira Williams

Last Update:

made commercial Neoprene possible by producing a soft, plastic form of chloroprene that could be processed by the rubber industry. Early accounts of the...

Word Count : 257

Sodium acetate

Last Update:

pickling agent in chrome tanning and helps to impede vulcanization of chloroprene in synthetic rubber production. In processing cotton for disposable cotton...

Word Count : 1261

Natural rubber

Last Update:

and perspiration. The textile industry turned to neoprene (polymer of chloroprene), a type of synthetic rubber, as well as another more commonly used elastomer...

Word Count : 7046

Weather balloon

Last Update:

lift, and is usually made of a highly flexible latex material, though chloroprene may also be used. The unit that performs the actual measurements and...

Word Count : 1040

Diene

Last Update:

rubber used in tires, and isoprene is the precursor to natural rubber. Chloroprene is related but it is a synthetic monomer. An important reaction for conjugated...

Word Count : 798

Materials science

Last Update:

polycarbonates. Rubbers include natural rubber, styrene-butadiene rubber, chloroprene, and butadiene rubber. Plastics are generally classified as commodity...

Word Count : 6695

Charles Stine

Last Update:

polymers. Outcomes of the long range research included a synthetic, chloroprene rubber, but the most notable invention came in 1938 with the invention...

Word Count : 501

Totex

Last Update:

balloons: TA is a rubber/latex balloon and was developed in 1940. CR is a chloroprene balloon and was developed in 1966. TX is a latex balloon and was developed...

Word Count : 85

Butadiene

Last Update:

to still other synthetic rubbers are prepared from butadiene. One is chloroprene. Smaller amounts of butadiene are used to make adiponitrile, a precursor...

Word Count : 3158

IARC group 2B

Last Update:

4-Chloronitrobenzene Chlorophenoxy herbicides 4-Chloro-ortho-phenylenediamine Chloroprene Chlorothalonil Chrysene CI Acid Red 114 CI Basic Red 9 CI Direct Blue...

Word Count : 1445

List of UN numbers 1901 to 2000

Last Update:

n.o.s. UN 1989 3 Aldehydes, n.o.s. UN 1990 9 Benzaldehyde UN 1991 3 Chloroprene, inhibited UN 1992 3 Flammable liquids, toxic, n.o.s. UN 1993 3 Flammable...

Word Count : 175

Thiazolidine

Last Update:

N-Methyl-2-thiazolidinethione, an accelerator for the vulcanization of chloroprene rubbers. Thiazolidines functionalized with carbonyls at the 2 and 4 positions...

Word Count : 355

California Proposition 65 list of chemicals

Last Update:

1-Chloro-4-nitrobenzene 100-00-5 4-Chloro-o-phenylenediamine 95-83-0 Chloroprene 126-99-8 2-Chloropropionic acid 598-78-7 Chlorothalonil 1897-45-6 p-Chloro-o-toluidine...

Word Count : 211

PDF Search Engine © AllGlobal.net