| Identification | More | [Name]
2-NITROSO-1-NAPHTHOL-4-SULFONIC ACID | [CAS]
3682-32-4 | [Synonyms]
2-NITROSO-1-NAPHTHOL-4-SULFONIC ACID
2-NITROSO-1-NAPHTHOL-4-SULPHONIC ACID TETRAHYDRATE
4-HYDROXY-3-NITROSO-1-NAPHTHALENESULFONIC ACID
LABOTEST-BB LT00454247
4-hydroxy-3-nitroso-1-naphthalenesulfonicaci
4-hydroxy-3-nitrosonaphthalene-1-sulphonic acid
4-hydroxy-3-nitrosonaphthalene-1-sulfonic acid
2-NITROSO-1-NAPHTHOL-4-SULFONIC ACID FOR SPECTROPHOTOM. DET. 99+%
2-Nitroso-1-hydroxy-4-naphthalenesulfonic acid
3-Nitroso-NW acid
Nitroso-NW acid | [EINECS(EC#)]
222-964-3 | [Molecular Formula]
C10H7NO5S | [MDL Number]
MFCD00003933 | [Molecular Weight]
253.23 | [MOL File]
3682-32-4.mol |
| Safety Data | Back Directory | [Hazard Codes ]
Xn | [Risk Statements ]
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R33:Danger of cumulative effects. | [Safety Statements ]
S36/37:Wear suitable protective clothing and gloves . | [WGK Germany ]
3
| [HS Code ]
2908.99.9000 |
| Hazard Information | Back Directory | [Purification Methods]
Crystallise the acid from dilute HCl solution. The crystals are dried over CaCl2 in a vacuum desiccator. It has also been purified by dissolution in aqueous alkali and precipitation by addition of water. It is a reagent for cobalt. [Beilstein 11 H 331, 11 II 189, 11 III 621, 11 IV 668.] |
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