Methanedisulfonic acid

甲基二磺酸

Also known as: Methanedisulphonic acid, Methionic acid, Methylenedisulfonic acid, Methylenedisulphonic acid, Disulfomethane, Methandisulfonsaeure, Methionsaeure

CAS No.: 503-40-2
Jingsj CID: J-1929100-2
Molecular Formula: CH₄O₆S₂
Chinese Name: 甲基二磺酸
Molecular Weight: 176.169 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	107-109ºC
Density	2.1±0.1 g/cm3

Frequently Asked Questions

What is the CAS number of Methanedisulfonic acid?

503-40-2

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

CH4O6S2, molecular weight 176.169 g/mol

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