Details for Direct Red 81
Direct Red 81
111Category: Dyestuffs and Pigments
CAS NO: 2610-11-9 EC NO: 220-028-9 Molecular Formula: C29H19N5Na2O8S2 Molecular Weight: 675.5994 Specification: InChI: InChI=1/C29H21N5O8S2.2Na/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);;/q;2*+1/p-2/b32-31+,34-33+;; Synonyms: C.I. 28160;C.I. Direct Red 81 (VAN);C.I. Direct Red 81 disodium salt;C.I. Direct Red 81 (7CI);C.I. Direct Red 81, disodium salt;Solaminrot 4B;Direct Red 81;Chloroantine fast red 5B;disodium 4-hydroxy-7-[(phenylcarbonyl)amino]-3-[(E)-{4-[(E)-(4-sulfonatophenyl)diazenyl]phenyl}diazenyl]naphthalene-2-sulfonate;Chlorantine Fast Red 5B; Molecular Structure: 
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