We are one of India's leading manufacturers, exporters & suppliers of Ortho Amino Phenol Para Sulphonic Acid (OAPPSA). Its chemical name is 3-Amino-4-hydroxybenzenesulfonic acid. The CAS Number of Ortho Amino Phenol Para Sulphonic Acid (OAPPSA) is 98-37-3 and its chemical formula is C6H7NO4S. The most common end use is Dyes and its various other synonyms are 3-Amino-4-hydroxybenzenesulfonic acid; 2-AMINOPHENOL-4-SULFONIC ACID; 4-Hydroxymetanilic acid; Benzenesulfonic acid, 3-amino-4-hydroxy-; 2-Amino-4-sulfophenol .
Send Inquiry Request MSDS| Chemical Name | 3-Amino-4-hydroxybenzenesulfonic acid |
| Chemical Formula | C6H7NO4S |
| CAS# | 98-37-3 |
| Value Chain | Nitro Chloro Benzene |
| End Use | Dyes |
| Appearance | Brown crystals |
| Purity | 99.5% |
| Synonyms | 3-Amino-4-hydroxybenzenesulfonic acid; 2-AMINOPHENOL-4-SULFONIC ACID; 4-Hydroxymetanilic acid; Benzenesulfonic acid, 3-amino-4-hydroxy-; 2-Amino-4-sulfophenol |
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