Methanesulfonic acid

甲基磺酸

Also known as: Methanesulphonic acid, Methylsulfonic acid, Mesic acid, Methane sulfonic acid

CAS No.
75-75-2
Jingsj CID
J-47575-8
Molecular Formula
CH4O3S
Chinese Name
甲基磺酸
Molecular Weight
96.106 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point19 °C
Boiling Point167 °C10 mm Hg(lit.)
Density1.5±0.1 g/cm3
Flash Point>230 °F

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of Methanesulfonic acid?

75-75-2

What are the molecular formula and molecular weight of Methanesulfonic acid?

CH4O3S, molecular weight 96.106 g/mol

Is Methanesulfonic acid hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026