1-CHLORO-2-METHYL-1-PROPENE

Synonym(s):Isocrotyl chloride

CAS NO.：513-37-1
Empirical Formula: C4H7Cl
Molecular Weight: 90.55
MDL number: MFCD00000924
EINECS: 208-158-4
SAFETY DATA SHEET (SDS)
Update Date: 2025-06-13 14:48:16

What is 1-CHLORO-2-METHYL-1-PROPENE?

Chemical properties

Liquid.

The Uses of 1-CHLORO-2-METHYL-1-PROPENE

Dimethylvinyl chloride is not used commercially, but is used for research purposes. It has been used in organic syntheses and as a chemical intermediate for the production of isobutylene compounds for laboratory use (IARC 1995, HSDB 2009).

The Uses of 1-CHLORO-2-METHYL-1-PROPENE

1-Chloro-2-methylpropene was used to study multiple infrared photon excitation of α-chloro olefins.

Definition

ChEBI: 1-Chloro-2-methylpropene is an organochlorine compound.

General Description

Clear dark yellow to pale orange liquid.

Air & Water Reactions

Highly flammable. May be sensitive to prolonged exposure to air and light. Slightly soluble in water.

Reactivity Profile

1-CHLORO-2-METHYL-1-PROPENE is incompatible with strong oxidizing agents and strong bases.

Hazard

Carcinogen; neoplastigen; moderately toxic; local irritant, and narcotic.

Fire Hazard

1-CHLORO-2-METHYL-1-PROPENE is flammable.

Carcinogenicity

Dimethylvinyl chloride is reasonably anticipated to be a human carcinogen based on sufficient evidence of carcinogenicity from studies in experimental animals.

Properties of 1-CHLORO-2-METHYL-1-PROPENE

Melting point:	-96°C (estimate)
Boiling point:	68 °C (lit.)
Density	0.92 g/mL at 25 °C (lit.)
refractive index	n20/D 1.424(lit.)
Flash point:	30 °F
solubility	Chloroform (Soluble), Ethyl Acetate (Slightly)
form	Oil
color	Colourless
Merck	2147
BRN	1733843
Stability:	Volatile
IARC	2B (Vol. 63) 1995
EPA Substance Registry System	Dimethylvinyl chloride (513-37-1)

Safety information for 1-CHLORO-2-METHYL-1-PROPENE

Signal word	Danger
Pictogram(s)	Flame Flammables GHS02 Skull and Crossbones Acute Toxicity GHS06 Health Hazard GHS08
GHS Hazard Statements	H225:Flammable liquids H311:Acute toxicity,dermal H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H330:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H350:Carcinogenicity
Precautionary Statement Codes	P201:Obtain special instructions before use. P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.