| Product Name | 3-Amino-4-hydroxybenzenesulfonic acid |
| CAS No. | 98-37-3 |
| Synonyms | 2-aminophenol 4-sulfonic acid; 2-Aminophenol-4-Sulfonic Acid; APS; |
| InChI | InChI=1/C6H7NO4S/c7-5-3-4(12(9,10)11)1-2-6(5)8/h1-3,8H,7H2,(H,9,10,11) |
| Molecular Formula | C6H7NO4S |
| Molecular Weight | 189.1891 |
| Density | 1.675g/cm3 |
| Melting point | >300℃ (dec.) |
| Water solubility | <0.1 g/100 mL at 21.5℃ |
| Refractive index | 1.671 |
| Hazard Symbols |  C:Corrosive; |
| Risk Codes | R34:; |
| Safety | S26:; S36/37/39:; S45:; |
98-37-3 3-amino-4-hydroxybenzenesulfonic acid
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