6 NAPSA is a an important intermediate. But mainly used for manufacturing quality Acid Dyes.

Its Physical Appearance is white to yellow powder and it’s Molecular Weight 234.18

CI Name 6-Nitro 2- Amino Phenol-4 Sulphonic Acid
CAS No 96-93-5
Molecular Weight 234.18
Synonyms 6-Nitro-2-aminophenol-4-sulfonic acid; 4-Hydroxy-5-nitrometanilic acid
Application Raw Material for manufacturing Acid Brown 348, Acid Red 357, Modern Black 17
EINECS No 202-546-7