Chloro Sulphonic Acid

Chemical Formula: ClSO2OH

Physical data:

Appearance: Colourless to light yellow liquid
Melting point: -800C
Boiling point: 1520C
Vapour density: 4 (air = 1)
Vapour pressure: 1 mm Hg at 200C
Density (g cm-3): 1.75
Water solubility: Decomposes


Description: Clear to light yellow liquid
Purity as CISO2OH, percent by mass: 98.0% (min)
Sulphuric acid (H2SO4) and free: 1.0% (max)
SO3, if any (as SO3): 0.5% (max)
Free hydrochloric acid as HCI: 0.5%(max)
Iron as Fe.: 0.01 (max)
Molecular Weight: 116.418


For manufacturing of synthetic detergents and drugs.
Sulphonating agent for dyes & dye intermediates and pesticides.
In the manufacturing of iron exchange resins.
Manufacturing of anhydrous HCl and smoke producing chemicals

Dangers and Precautions for Handling Product:

Toxic by ingestion
Causes severe damage to eyes, skin & air passage
Reaction with moist air produces mist, which has severe irritant effect on eyes, skin & air passage
Store the material in stainless steel or HM HDPE containers. Avoid contact with moisture
Fire risk in contact with organic substances


ISO tanks / tanker load.



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