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   ChemNet > CAS > 91-34-9 acido 4,4'-bis[(4-idrossifenil)azo]stilbene-2,2'-disolffonico

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91-34-9 acido 4,4'-bis[(4-idrossifenil)azo]stilbene-2,2'-disolffonico

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 91-34-9 acido 4,4'-bis[(4-idrossifenil)azo]stilbene-2,2'-disolffonico
Densità 1.5g/cm3
Indice di rifrazione 1.691 
Simboli di pericolo
Codici di Rischio
Sicurezza Descrizione