ChemNet > CAS > 91-34-9 4,4'-bis[(4-hydroksyfenyl)azo]stilben-2,2'-disulfonsyre
91-34-9 4,4'-bis[(4-hydroksyfenyl)azo]stilben-2,2'-disulfonsyre
produktnavn |
4,4'-bis[(4-hydroksyfenyl)azo]stilben-2,2'-disulfonsyre |
Synonymer |
;D irect gul 4 fargestoff; 5-(4-hydroksyfenyl)azo-2-[(E)-2-[4-(4-hydroksyfenyl)azo-2-sulfo-fenyl]vinyl]benzensulfonsyre |
Engelsk navn |
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 |
Molekylær Formel |
C26H20N4O8S2 |
Molekylvekt |
580.589 |
InChI |
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-nummer |
91-34-9 |
EINECS |
202-062-6 |
Molecular Structure |
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Tetthet |
1.5g/cm3 |
Brytningsindeks |
1.691 |
Hazard symboler |
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Risiko Koder |
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Sikkerhet Beskrivelse |
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