91-34-9 4,4'-Bis[(4-hydroxyphenyl)azo]stilben-2,2'-disulfonsäure |
Produkt-Name |
4,4'-Bis[(4-hydroxyphenyl)azo]stilben-2,2'-disulfonsäure |
Synonyme |
;D irect Gelb 4 Farbstoff; 5-(4-Hydroxyphenyl)azo-2-[(E)-2-[4-(4-hydroxyphenyl)azo-2-sulfo-phenyl]vinyl]benzolsulfonsäure; |
Englischer Name |
4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid;Direct Yellow 4 dye;5-(4-hydroxyphenyl)azo-2-[(E)-2-[4-(4-hydroxyphenyl)azo-2-sulfo-phenyl]vinyl]benzenesulfonic acid |
Molekulare Formel |
C26H20N4O8S2 |
Molecular Weight |
580.589 |
InChl |
InChI=1/C26H20N4O8S2/c31-23-11-7-19(8-12-23)27-29-21-5-3-17(25(15-21)39(33,34)35)1-2-18-4-6-22(16-26(18)40(36,37)38)30-28-20-9-13-24(32)14-10-20/h1-16,31-32H,(H,33,34,35)(H,36,37,38)/b2-1+,29-27u,30-28u |
CAS Registry Number |
91-34-9 |
EINECS |
202-062-6 |
Molecular Structure |
|
Dichte |
1.5g/cm3 |
Brechungsindex |
1.691 |
MSDS |
Material Safety Data Sheet |