ChemIndex - Global Chemicals CAS ServiceChina Business Portal|ChemNet|ChinaChemNet|ChinaChemical|KoreaChemNet

Chemindex > 91-34-9 4,4'-bis[(4-hydroxyfenyl)azo]stilbeen-2,2'-disulfonzuur

91-34-9 4,4'-bis[(4-hydroxyfenyl)azo]stilbeen-2,2'-disulfonzuur

Naam product 4,4'-bis[(4-hydroxyfenyl)azo]stilbeen-2,2'-disulfonzuur
Synoniemen ;D irect Yellow 4 kleurstof; 5-(4-hydroxyfenyl)azo-2-[(E)-2-[4-(4-hydroxyfenyl)azo-2-sulfo-fenyl]vinyl]benzeensulfonzuur;
Engelse naam 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
MF C26H20N4O8S2
Molecuulgewicht 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
Moleculaire Structuur
Dichtheid 1.5g/cm3
Brekingsindex 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

    Suppliers for 91-34-9(0):