4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid
Modify Date: 2025-09-25 11:36:20
![4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid Structure](https://image.chemsrc.com/caspic/374/91-34-9.png)
4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid structure
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Common Name | 4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid | ||
|---|---|---|---|---|
| CAS Number | 91-34-9 | Molecular Weight | 580.58900 | |
| Density | 1.5g/cm3 | Boiling Point | N/A | |
| Molecular Formula | C26H20N4O8S2 | Melting Point | N/A | |
| MSDS | N/A | Flash Point | N/A | |
| Name | 5-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2-[2-[4-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2-sulfophenyl]ethenyl]benzenesulfonic acid |
|---|---|
| Synonym | More Synonyms |
| Density | 1.5g/cm3 |
|---|---|
| Molecular Formula | C26H20N4O8S2 |
| Molecular Weight | 580.58900 |
| Exact Mass | 580.07200 |
| PSA | 208.42000 |
| LogP | 5.58400 |
| Index of Refraction | 1.691 |
| Direct Yellow 4 dye |
| Benzenesulfonic acid,2,2'-(1,2-ethenediyl)bis(5-((4-hydroxyphenyl)azo) |
| C.I. DIRECT YELLOW 4 |
| 4,4'-Bis-(4-hydroxy-phenylazo)-stilben-2,2'-disulfonsaeure |
| (Stilben-disulfonsaeure-(2.2'))-4.4'-bis-[(azo 4)-phenol] |
| 4,4'-Bis((4-hydroxyphenyl)azo)stilbene-2,2'-disulphonic acid |
| 4,4'-bis-(4-hydroxy-phenylazo)-stilbene-2,2'-disulfonic acid |
| EINECS 202-062-6 |
| Brillantgelb |
| 4,4'-Bis-(4-hydroxy-benzolazo)-stilbendisulfonsaeure-(2,2') |