Methanedisulphonic acid CAS 503-40-2

Products Name

Methanedisulphonic acid

Methanedisulphonic acid Quick Details
Chemical Name: Methanedisulphonic acid

CAS No.: 503-40-2

Molecular Formula: CH4O6S2

Molecular weight: 176.17

Appearance: Light Gray to White poeder

Assay: ≥96%
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Methanedisulphonic acid Typical Properties


Light Gray to White poeder


Melting Point
96-100 °C

1.6517 (rough estimate)

Brand name
Fousi chemical

Methanedisulphonic acid Usage

Widely used in electroplating hard chrome processes as a primary additive.
Hard chromium additives, hard chromium brighteners, hard chromium intermediates, decorative chromium additives, hard chromium catalysts, surfactants

Methanedisulphonic acid Packaging and Shipping 
25kg / drum
Methanedisulphonic acid Storage
Keep the seal and keep it under dry condition.


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