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91-34-9 acido 4,4'-bis[(4-idrossifenil)azo]stilbene-2,2'-disolffonico |
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Nome del prodotto | acido 4,4'-bis[(4-idrossifenil)azo]stilbene-2,2'-disolffonico |
Sinonimi | ;D irect Yellow 4 colorante; acido 5-(4-idrossifenil)azo-2-[(E)-2-[4-(4-idrossifenil)azo-2-solfo-fenil]vinil]benzensolfonico; |
Nome inglese | 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 |
Formula molecolare | C26H20N4O8S2 |
Peso Molecolare | 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 |
Numero CAS | 91-34-9 |
EINECS | 202-062-6 |
Struttura molecolare | |
Densità | 1.5g/cm3 |
Indice di rifrazione | 1.691 |
MSDS |