Chemical name: 2-(4-aminophenyl)-6-methylbenzothiazole-7-sulfonic acid
Molecular weight: 320
CAS NO: 130-17-6 
Molecular formula: C₁₄H₁₂O₃N₂S₂
Structural formula:  

Quality Standard:
(1) Apperance: Yellow powder
 (2) Content: ≥75%(Total amido value)
Uses:For dyestuff intermediate or progressively be processed into dehydrosulfo-ptoluidine double sulfo acid. 
Packing:Barrel of 25Kg with a plastic bag in or a weaved bag with an inner plastic bag.Or be subject to customers's request.