Sulfonic Acid

CAS NO: 27176-87-0

1. Packaging: packing: 25KG woven plastic bag or at the request of the customers. It can load 15mts in 1x20' FT container

2. Specification:

Item tech.

Grade Pharm

Grade Refine

Grade Reagent

Grade

Total acidity

(C7H8O3S. H2O) % min. 93.0 min 95.0 min. 97.0 min. 99.0

Free Acid (H2SO4) % max. 3.0 max. 2.0 max. 0.7 max. 0.1

Moisture % max. 4.0 max. 3.5 max. 2.3 max. 0.9

Fe2 ppm max. 50 max. 30 max. 20 max. 10

Residue on ignition % - max. 0.2 max. 0.2 max. 0.02

Melting Point ( ) - - - 105-107

Solubility test in alcohol - pass pass pass

Solubility test in water - pass pass pass

Isomer ( o, m ) % max. 8.0 max. 2.0 max. 1.0

3. Usage

Used as solvent, catalyst of alkylation, esterification and polymerization , 99% MSA mainly used in industry, while 70%MSA used in electroplating

4. Appearance; powder.

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