Basic

CAS No.	1912-28-3
Product Name	mes free acid
Synonyms	Ethanesulfonic acid, methyl ester; 4-04-00-00033 (Beilstein Handbook Reference); BRN 1747452; Methyl ethane sulphonate; Methyl ethanesulfonate; Methylethanesulfonate
Molecular Formula	C3H8O3S
Molecular Weight	124.1588

Physical property

Density	1.177g/cm3
Boiling point	214.4°C at 760 mmHg
Flash point	83.5°C
Refractive index	1.416