Details for ACID BLACK 172
ACID BLACK 172
111Category: Dyestuffs and Pigments
CAS NO: 57693-14-8 EC NO: 260-906-9 Molecular Formula: C40H30CrN6Na3O14S2 Molecular Weight: 1003.7934 Specification: InChI: InChI=1/2C20H17N3O7S.Cr.3Na/c2*24-15-9-8-11-4-1-2-5-12(11)19(15)21-22-20-13-6-3-7-14(23(26)27)18(13)17(10-16(20)25)31(28,29)30;;;;/h2*1-3,7-10,14,24-25H,4-6H2,(H,28,29,30);;;;/q;;4*+1/p-4/b2*22-21-;;;;/rC40H30CrN6O14S2.3Na/c48-46(49)27-13-5-11-25-35(27)33(62(52,53)54)19-31-39(25)44-42-37-23-9-3-1-7-21(23)15-17-29(37)58-41(60-31)59-30-18-16-22-8-2-4-10-24(22)38(30)43-45-40-26-12-6-14-28(47(50)51)36(26)34(63(55,56)57)20-32(40)61-41;;;/h1-6,13-20,27-28H,7-12H2,(H,52,53,54)(H,55,56,57);;;/q-3;3*+1/b44-42-,45-43-;;; Synonyms: C.I. 15711:1;C.I. Acid Black 172;Acid Black 172;chromium(3+) sodium 7-nitro-3-oxido-4-[(2-oxidonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate (1:3:2);trisodium bis[3-(hydroxy-kappaO)-4-{(Z)-[2-(hydroxy-kappaO)-5,8-dihydronaphthalen-1-yl]diazenyl}-8-nitro-5,8-dihydronaphthalene-1-sulfonato(2-)]chromate(3-); Molecular Structure: 
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