Introduction：Basic information about CAS 7143-21-7|2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(4-nitrophenyl)diazenyl]-, sodium, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2) |
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| CAS Number | 7143-21-7 | Molecular Weight | 497.367 |
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| Density | 1.8g/cm3 | Boiling Point | / |
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| Molecular Formula | C16H9N3Na2O9S2 | Melting Point | / |
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| MSDS | / | Flash Point | / |
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Names
| Name | β-Naphthol Violet |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.8g/cm3 |
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| Molecular Formula | C16H9N3Na2O9S2 |
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| Molecular Weight | 497.367 |
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| Exact Mass | 496.957550 |
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| PSA | 221.93000 |
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| LogP | 5.36200 |
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| Index of Refraction | 1.749 |
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| InChIKey | YTTDMCWAOBZSJR-UHFFFAOYSA-L |
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| SMILES | O=[N+]([O-])c1ccc(N=Nc2c(O)c(S(=O)(=O)[O-])cc3cc(S(=O)(=O)[O-])ccc23)cc1.[Na+].[Na+] |
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Safety Information
| Risk Phrases | R36/37/38 |
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| Safety Phrases | S26-S36 |
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Synonyms
| Disodium 3-hydroxy-4-[(E)-(4-nitrophenyl)diazenyl]-2,7-naphthalenedisulfonate |
| MFCD00021457 |
| ~-Naphthol Violet |
| EINECS 230-443-7 |
| 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(E)-2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2) |
| Disodium 3-hydroxy-4-[(E)-(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonate |
| Disodium 3-hydroxy-4-((4-nitrophenyl)azo)naphthalene-2,7-disulphonate |
