基本信息
| 中文名称 | 4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid |
|---|---|
| 中文同义词 | |
| 英文名称 | 4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid |
| 英文同义词 | 4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid;Direct Yellow 4 dye;2,2'-(1,2-Ethenediyl)bis[5-(4-hydroxyphenylazo)benzenesulfonic acid];4,4'-Bis(4-hydroxyphenylazo)stilbene-2,2'-disulfonic acid;4,4'-Bis(p-hydroxyphenylazo)-2,2'-stilbenedisulfonic acid;4,4'-Bis[(4-hydroxyphenyl)azo]-2,2'-stilbenedisulfonic acid;4,4''-Vinylenebis(4'-hydroxyazobenzene-3-sulfonic acid);3051-11-4 (Di-hydrochloride salt) |
| CAS号 | 91-34-9 |
| 分子式 | C26H20N4O8S2 |
| 分子量 | 580.59 |
| EINECS号 | 202-062-6 |
| 相关类别 | |
| Mol文件 | 91-34-9.mol |
| 结构式 | ![4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid 结构式](CAS/GIF/91-34-9.gif) |
4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid 性质
| 密度 | 1.50±0.1 g/cm3(Predicted) |
|---|---|
| 酸度系数(pKa) | -1.29±0.50(Predicted) |
| EPA化学物质信息 | C.I. Direct Yellow 4 (91-34-9) |