2118-39-0 tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate

product Name tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate Synonyms C.I. Food Black 2; CI 27755; tetrasodium (3E)-6-amino-4-oxo-3-(2-{7-sulfinato-4-[(E)-(4-sulfonatophenyl)diazenyl]naphthalen-1-yl}hydrazinylidene)-3,4-dihydronaphthalene-2,7-disulfonate; tetrasodium 6-amino-4-hydroxy-3-[[7-sulfonato-4-(4-sulfonatophenyl)azo-1-naphthyl]azo]naphthalene-2,7-disulfonate Molecular Formula C26H15N5Na4O13S4 Molecular Weight 825.6421 InChI InChI=1/C26H19N5O13S4.4Na/c27-20-12-18-13(9-23(20)47(39,40)41)10-24(48(42,43)44)25(26(18)32)31-30-22-8-7-21(17-6-5-16(11-19(17)22)46(36,37)38)29-28-14-1-3-15(4-2-14)45(33,34)35;;;;/h1-12,32H,27H2,(H,33,34,35)(H,36,37,38)(H,39,40,41)(H,42,43,44);;;;/q;4*+1/p-4 CAS Registry Number 2118-39-0 EINECS 218-326-9 Molecular Structure Hazard Symbols Risk Codes Safety Description