Product name

Dichloromethane

English name

Dichloromethane

Alias

Methylene chloride; Methane dichloride; Methylene dichloride; narkotil; Plastisolve; R 30; Refrigerant 30; solaesthin; solmethine

CAS RN

75-09-2

EINECS No.

200-838-9

Molecular formula

CH₂Cl₂

Molecular weight

84.93

Dangerous goods mark

Xn:Harmful

Risk term

R40;

Safety term

S23; S24/25; S36/37;

Physicochemical property

Appearance: Colorless transparent liquid with aromatic smell.
Melting point(℃): -96.7
Boiling point(℃): 39.8
Relative density(water=1): 1.33
Relative vapor density(air=1): 2.93
Saturated vapor pressure(kPa): 30.55(10℃)
Heat of combustion(kJ/mol): 604.9
Critical temperature(℃): 237
Critical pressure(MPa): 6.08
The pair value of the octanol/water partition coefficient: 1.25
Ignition temperature(℃): 615
Upper explosion limit%(V/V): 19
Lower explosive limit%(V/V): 12
Solubility: Slightly soluble in water, soluble in ethanol, ether.

To use

Used as solvent in resin and plastics industry. Widely used in medicine, plastic and film industry.