![4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid Structure](/CAS/GIF/91-34-9.gif)
4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid
- Product Name4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid
- CAS91-34-9
- MFC26H20N4O8S2
- MW580.59
- EINECS202-062-6
- MOL File91-34-9.mol
Chemical Properties
| Density | 1.50±0.1 g/cm3(Predicted) |
| pka | -1.29±0.50(Predicted) |
| EPA Substance Registry System | C.I. Direct Yellow 4 (91-34-9) |