product Name：direct red 81
  • 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
  • 2610-11-9
  • 220-028-9
  • C29H19N5Na2O8S2
  • 675.5994
  • 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+;;
  • direct red 81 2610-11-9
  • 240℃