91-34-9, CAS No 91-34-9

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

If you plan to source chemicals from China, just go to ChemNet mall, we will get the latest and competitive price from China manufacturers for you. Please visit

ChemNet Mall

91-34-9 4,4'-Bis[(4-hydroxyphenyl)azo]stilben-2,2'-disulfonsäure