Introduction：Basic information about CAS 1571-36-4|Benzenesulfonic acid,2,2'-(1,2-ethenediyl)bis[5-[2-(3,4-dihydroxyphenyl)diazenyl]-, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | Benzenesulfonic acid,2,2'-(1,2-ethenediyl)bis[5-[2-(3,4-dihydroxyphenyl)diazenyl]-, ammonium salt(1:2) |
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| CAS Number | 1571-36-4 | Molecular Weight | 646.649 |
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| Density | 1.72 g/cm3 | Boiling Point | / |
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| Molecular Formula | C26H26N6O10S2 | Melting Point | 77-81 °C |
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| MSDS | / | Flash Point | / |
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Names
| Name | stilbazo |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.72 g/cm3 |
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| Melting Point | 77-81 °C |
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| Molecular Formula | C26H26N6O10S2 |
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| Molecular Weight | 646.649 |
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| Exact Mass | 646.115173 |
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| PSA | 262.34000 |
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| LogP | 8.81300 |
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| Index of Refraction | 1.767 |
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| InChIKey | NGBHBUBEKZMHCH-OXEZCZPGSA-N |
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| SMILES | N.O=S(=O)(O)c1cc(N=Nc2ccc(O)c(O)c2)ccc1C=Cc1ccc(N=Nc2ccc(O)c(O)c2)cc1S(=O)(=O)O |
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Safety Information
| Hazard Codes | Xi |
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| Risk Phrases | R36/37/38 |
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| Safety Phrases | 26-36/37/39 |
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Synonyms
| Diammonium 2,2'-[(E)-1,2-ethenediyl]bis{5-[(E)-(3,4-dihydroxyphenyl)diazenyl]benzenesulfonate} |
| EINECS 216-389-7 |
| Diammonium 4,4'-bis((3,4-dihydroxyphenyl)azo)stilbene-2,2'-disulphonate |
| Stilbazo=Spectrophotmetricreagentfor |
| Benzenesulfonic acid, 2,2'-[(E)-1,2-ethenediyl]bis[5-[(E)-2-(3,4-dihydroxyphenyl)diazenyl]-, diammonium salt |
| Diammonium 2,2'-(E)-ethene-1,2-diylbis{5-[(E)-(3,4-dihydroxyphenyl)diazenyl]benzenesulfonate} |
