CAS No 6420-06-0 , 1-Naphthalenesulfonicacid,4-hydroxy-3-[2-[4'-[2-(1-hydroxy-5-sulfo-2-naphthalenyl)diazenyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]diazenyl]-,sodium salt (1:2)

Name: 1-Naphthalenesulfonicacid,4-hydroxy-3-[2-[4'-[2-(1-hydroxy-5-sulfo-2-naphthalenyl)diazenyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]diazenyl]-,sodium salt (1:2)
Synonyms: 1-Naphthalenesulfonicacid,4-hydroxy-3-[[4'-[(1-hydroxy-5-sulfo-2-naphthalenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-,disodium salt (9CI); C.I. Direct Violet 28 (7CI); Azo Blue (6CI);1-Naphthalenesulfonicacid,4-hydroxy-3-[2-[4'-[2-(1-hydroxy-5-sulfo-2-naphthalenyl)diazenyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]diazenyl]-,sodium salt (1:2); C.I. 23685; C.I. DirectViolet 28, disodium salt (8CI);
CAS Registry Number:6420-06-0
Safety Statements: An experimental teratogen. When heated to decomposition it emits toxic fumes of NOx, SOx, and NaO2.
Molecular Weight: 728.74
InChI: InChI=1/C34H26N4O8S2.2Na/c1-19-7-5-8-21(15-19)22-13-14-26(20(2)16-22)35-36-27-17-28(34(40)25-11-6-12-30(32(25)27)47(41,42)43)37-38-29-18-31(48(44,45)46)23-9-3-4-10-24(23)33(29)39;;/h3-18,35-36H,1-2H3,(H,41,42,43)(H,44,45,46);;/q;2*+1/p-2/b37-28-,38-29+;;
Molecular Formula: C34H26 N4 O8 S2 . 2 Na
Molecular Structure:

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Direct Violet28
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