| CAS No.: | 116-63-2 |
| Molecular Weight: | 239.25 g/mol |
| Chemical Formula | C10H9NO4S |
General Properties and Specifications of 1-Amino-2-Naphthol-4-Sulfonic Acid or 1-Amino-2-Naphthol-4-Sulphonic Acid or 4-Amino-3-hydroxy-1-naphthalenesulfonic Acid:
Appearance: White to Brown to Dark purple powder to crystal.
Assay: 98%
Loss on drying: 5% maximum.
Melting point: 295C literature.
Residue on ignition (Ash): < 0.1 %
Solubility: Very slightly soluble in water.
Storage: Room temperature. Shipping may be ambient. Light Sensitive.
4-Amino-3-hydroxy-1-naphthalene Sulfonic Acid or 1-Amino-2-naphthol-4-sulfonic Acid Analytical Reagent Grade:
REQUIREMENTS
Assay: 98.0% H2N(HO)C10H5SO3H
