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2,7-Naphthalenedisulfonicacid,3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[4-hydroxy-5-[(2-hydroxy-1-naphthalenyl)azo]-,tetrasodium salt (9CI) (6358-73-2)

Identification
Name:2,7-Naphthalenedisulfonicacid,3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[4-hydroxy-5-[(2-hydroxy-1-naphthalenyl)azo]-,tetrasodium salt (9CI)
Synonyms:C.I. DirectBlack 100, tetrasodium salt (8CI); C.I. 35415; C.I. Direct Black 100
CAS:6358-73-2
Molecular Formula: C52H34 N8 O16 S4 . 4 Na
Molecular Weight: 0
InChI: InChI=1/C52H34N8O16S4.4Na/c61-41-19-13-29-5-1-3-7-37(29)47(41)57-55-39-25-35(77(65,66)67)21-31-23-43(79(71,72)73)49(51(63)45(31)39)59-53-33-15-9-27(10-16-33)28-11-17-34(18-12-28)54-60-50-44(80(74,75)76)24-32-22-36(78(68,69)70)26-40(46(32)52(50)64)56-58-48-38-8-4-2-6-30(38)14-20-42(48)62;;;;/h1-26,61-64H,(H,65,66,67)(H,68,69,70)(H,71,72,73)(H,74,75,76);;;;/q;4*+1/p-4
Molecular Structure: (C52H34N8O16S4.4Na) C.I. DirectBlack 100, tetrasodium salt (8CI); C.I. 35415; C.I. Direct Black 100
Properties
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