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| Product Name: | 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt |
| CAS Registry Number: | 525-05-3 |
| EINECS: | 208-369-1 |
| Synonyms: | 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt;Disodium 1-nitroso-2-naphthol-3,6-disulfonate; |
| Molecular Structure: |
 |
| Molecular Formula: | C10H5NNa2O8S2 |
| Molecular Weight: | 377.26 |
| Density: | g/cm3 |
| Boiling Point: | °Cat760mmHg |
| Melting Point: | >300 °C(lit.) |
| Flash Point: | °C |
| Risk Codes: | S22;S24/25 |
| Safety Statements: | R20/21/22 |
| Hazard Symbols: | Xn: Harmful; |