Product name

Methanesulfonic acid

English name

Methanesulfonic acid

Alias

Methanesulfonicacidaqsoln; Methanesulphonic acid; Methylsulfonic Acid; Mesic acid; iron(2+) dimethanesulfonate; MSA

CAS RN

75-75-2;17696-73-0

EINECS No.

200-898-6;243-669-6

Molecular formula

C₁H₄O₃S₁

Molecular weight

96.10096

Dangerous mark

 C:Corrosive

Risk phrases

R34;

Safety term

S1/2; S26; S36; S45;

Physico-chemical property

White or light brown oily liquid; it is solid under low temperature; melting point: 20℃; boiling point: 167℃(13.33kPa), 122℃(0.133kPa); relative density: 1.4812(18℃); refractive index: 1.4317(16℃); soluble in water, alcohol and ether; insoluble inalkane, benzene, methyl benzene; strong corrosive action on metal iron, copper and lead

Uses

As catalyst of solvent, alkylation, esterification and polymerization reaction; also applied in medical and electroplating industry