Sell sulfonic acid

Description

CAS NO: *********0 1. packaging: packing:*5KG woven plastic bag or at the request of the customers. It can load *5mts in 1x*0\&#**9;FT container 2. specification: Item tech. Grade Pharm Grade Refine Grade Reagent Grade Total acidity (C7H8O3S.H2O) % min. *3.0 min *5.0 min. *7.0 min. *9.0 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. *0 max. *0 max. *0 max.*0 Residue on ignition % - max. 0.2 max. 0.2 max. 0.*2 Melting Point ( ) - - - ******7 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 聚合, *9% MSA mainly used in industry, while *0%MSA used in electroplating 4. appearance; powder