2-NITROSO-1-NAPHTHOL-4-SULFONIC ACID
- Product Name2-NITROSO-1-NAPHTHOL-4-SULFONIC ACID
- CAS3682-32-4
- CBNumberCB9115040
- MFC10H7NO5S
- MW253.23
- EINECS222-964-3
- MDL NumberMFCD00003933
- MOL File3682-32-4.mol
Chemical Properties
| Melting point | 140-145 °C (dec.) |
| Density | 1.65±0.1 g/cm3(Predicted) |
| pka | 0.11±0.40(Predicted) |
| form | powder to crystal |
| color | Orange to Brown |
| CAS DataBase Reference | 3682-32-4(CAS DataBase Reference) |
| FDA UNII | 7T06PCA43O |
| EPA Substance Registry System | 1-Naphthalenesulfonic acid, 4-hydroxy-3-nitroso- (3682-32-4) |
Safety
| Symbol(GHS) |
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| Signal word | Warning | |||||||||
| Hazard statements | H302+H312+H332-H315-H319 | |||||||||
| Precautionary statements | P261-P264-P270-P271-P280-P301+P312+P330-P302+P352+P312+P362+P364-P304+P340+P312-P305+P351+P338+P337+P313-P501 | |||||||||
| Hazard Codes | Xn,Xi | |||||||||
| Risk Statements | 20/21/22-33-36/37/38 | |||||||||
| Safety Statements | 36/37-37/39-26 | |||||||||
| WGK Germany | 3 | |||||||||
| HS Code | 2908.99.9000 | |||||||||
| NFPA 704: |
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