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Details for C.I. Direct Red 81

C.I. Direct Red 81

111Category:

Dyestuffs and Pigments/Direct Dyes

CAS NO:

25188-42-5

EC NO:

246-727-9

Molecular Formula:

C₂₉H₂₁N₅O₈S₂

Molecular Weight:

631.6357

Specification:

InChI:

InChI=1/C29H21N5O8S2/c35-28-25-15-12-23(30-29(36)18-4-2-1-3-5-18)16-19(25)17-26(44(40,41)42)27(28)34-33-21-8-6-20(7-9-21)31-32-22-10-13-24(14-11-22)43(37,38)39/h1-17,35H,(H,30,36)(H,37,38,39)(H,40,41,42)

Synonyms:

C.I. Direct Red 81;7-Benzamido-4-hydroxy-3-((4-((4-sulphophenyl)azo)phenyl)azo)naphthalene-2-sulphonic acid;(3E)-7-(benzoylamino)-4-oxo-3-(2-{4-[(E)-(4-sulfophenyl)diazenyl]phenyl}hydrazinylidene)-3,4-dihydronaphthalene-2-sulfonic acid;7-benzamido-4-hydroxy-3-[4-(4-sulfophenyl)azophenyl]azo-naphthalene-2-sulfonic acid;

Molecular Structure: