MC Methylene Chloride

- This colorless, volatile liquid with a moderately sweet aroma is widely used as a solvent.
Dichloromethane is produced by treating either methyl chloride or methane with chlorine gas at 400~500 °C.

● Description

▶ Molecular formula CH2Cl2
 CAS number 75-09-02
 EC Number 200-838-9
 UN number 1593
 IUPAC name Dichloromethane
 Synomyms Methylene chloride, Methylene dichloride, Solmethine, Narkotil, Solaesthin, Di-clo, Refrigerant-30, Freon-30, R-30, DCM, MDC


● Physical Properties
Molar mass84.93 g·mol−1
AppearanceColorless liquid
Odorchloroform-like[1]
Density1.3266 g/cm3 (20 °C)[2]
Melting point−96.7 °C (−142.1 °F; 176.5 K)
Boiling point39.6 °C (103.3 °F; 312.8 K) 
decomposes at 720 °C[3]
39.75 °C (103.55 °F; 312.90 K)
at 760 mmHg[4]
Solubility in water25.6 g/L (15 °C)
17.5 g/L (25 °C)
15.8 g/L (30 °C)
5.2 g/L (60 °C)[3]
SolubilityMiscible in ethyl acetate, alcohol, hexanes, 
benzene, CCl4, diethyl ether, CHCl3
log P1.19[5]
Vapor pressure0.13 kPa (−70.5 °C)
2 kPa (−40 °C)
19.3 kPa (0 °C)
57.3 kPa (25 °C)[6]
79.99 kPa (35 °C)[3]
Henry’s law constant (kH)3.25 L·atm/mol[4]
Magnetic susceptibility (χ)−46.6·10−6 cm3/mol
Refractive index(nD)1.4244 (20 °C)[4][7]
Viscosity0.43 cP (20 °C)[4]
0.413 cP (25 °C)
FeaturesHigh Solvency
Dry quickly
Boiling point : 40℃
Non-flammable
● Applications

▶ Fat-on-metal removing cleanser
 Medicines
 Urethane foaming agent
 Organic solvent for lower boiling point