
CAS Number1571-36-4
SynonymsDiammonium 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; Diammonium 2,2'-(E)-ethene-1,2-diylbis{5-[(E)-(3,4-dihydroxyphenyl)diazenyl]benzenesulfonate}
Molecular FormulaC26H26N6O10S2
Molecular Weight646.649
Density1.72 g/cm3
Melting Point77-81 °C
AppearanceSolid;Red to Dark blue to Black powder to crystal
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 1571-36-4 |
| Catalog No. | 2A-2180529 |
| Chinese Name | 芪偶氮 |
| 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; Diammonium 2,2'-(E)-ethene-1,2-diylbis{5-[(E)-(3,4-dihydroxyphenyl)diazenyl]benzenesulfonate} |
| Molecular Formula | C26H26N6O10S2 |
| Molecular Weight | 646.649 |
| Density | 1.72 g/cm3 |
| Melting Point | 77-81 °C |
| Appearance | Solid;Red to Dark blue to Black powder to crystal |
| Water Solubility | Water solubility: soluble; slightly soluble: alcoh |
| Storage Condition | Store in a sealed, cool and dry place |
| PubChem ID | 29565700 |
| 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 |
| InChI | InChI=1S/C26H20N4O10S2.2H3N/c31-21-9-7-17(11-23(21)33)27-29-19-5-3-15(25(13-19)41(35,36)37)1-2-16-4-6-20(14-26(16)42(38,39)40)30-28-18-8-10-22(32)24(34)12-18;;/h1-14,31-34H,(H,35,36,37)(H,38,39,40);2*1H3/b2-1+,29-27?,30-28?;; |
| InChI Key | NGBHBUBEKZMHCH-OXEZCZPGSA-N |
| Transport Info | Product name: Stilbene azo [spectrophotometric reagent for aluminum and other metals] |
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