Original
By certification 
CAS No.: 5-75-2
Molecular formula: CH4O3S
M.W.: 96.1
Structural formula:
                  
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Description: Colorless to yellowish clear oily liquid or solid
Specification:
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| Index name | Index |
Assay |
99.0%min (85%min, 70%min |
Color APHA |
50max(25max, 10max) |
Chloride (as Cl) |
20ppm max (10ppm max, 5ppm max) |
Sulfate (as SO4) |
20ppm max (20ppm max, 20ppm max) |
Iron |
5ppm max (5ppm max, 3ppm max) |
Heavy metals (as Pb) |
5ppm max (5ppm max, 5ppm max) |
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Uses: Used as solvent and catalyst in alkylation, esterification and polymerization processes, or as an intermadiate for pharmaceuticals. MSA 70% is also used in electroplating and electropolishing.
Packing: in PE drum.
