Cas No. :90-51-7
Name:2-Amino-8-naphthol-6-sulfonic acid
Alias: Gamma Acid; 7-amino-1-naphthol-3-sulfonic acid;
7-amino-1-hydroxy-3-sulfonaphthalene;
6-amino-4-naphthol-2-sulfonic acid;
6-amino-4-hydroxy-2-naphthalenesulfonic acid; 2-Naphthalenesulfonicacid,6-amino-4-hydroxy-; 6-amino-4-hydroxy-2-naphthalenesulfonicaci
CAS NO.90-51-7
EINECS:202-000-8
Molecular Formula : C10H9O4NS
Molecular Weight : 239.24
Index:
| Appearance | Content | Amino G acid | Bronner acid | DOG Acid | Ash | Moisture |
Tide product | Gray paste | ≥55% | ≤0.2% | ≤1.0% | ≤0.3% | | |
Ordinary product | Light Gray Powder | ≥90% | ≤0.3% | ≤1.0% | ≤0.5% | ≤0.3% | ≤5.0% |
Boutique | ≥95% | ≤0.2% | ≤1.0% | ≤0.3% | ≤3.0% | ≤3.0% |
Boutique | ≥98% | ≤0.1% | ≤1.0% | ≤0.1% | ≤0.5% | ≤1.0% |
Application: Mainly used for Azo dye intermediates, manufacturing activity and the direct dyes. Used in Direct diazotization black BH, Direct dark brown M, Direct red GB, Direct red F, Direct N and Direct Grey etc.