Chemay (Tianjin) Int'l Trading Co.,Ltd.

Direct Black 9

• Category :

  Dyestuffs and Pigments/Direct Dyes

• Synonyms :

  C.I. 31565;C.I. 31560;C.I. Direct Black 9 (VAN) (8CI);C.I. Direct Black 9disodium 8-amino-5-[(E)-{4-[(2Z)-2-{7-[(E)-(2,4-diaminophenyl)diazenyl]-1-oxo-3-sulfonatonaphthalen-2(1H)-ylidene}hydrazinyl]phenyl}diazenyl]naphthalene-2-sulfonate;

• CAS NO :

  8003-62-1

• EC NO :

  232-321-9

• Molecular Formula :

  C₃₂H₂₃N₉Na₂O₇S₂

• Molecular Weight :

  755.6907

• Main Specifications :

• InChI :

  InChI=1/C32H25N9O7S2.2Na/c33-18-2-11-29(27(35)14-18)40-38-21-3-1-17-13-30(50(46,47)48)31(32(42)24(17)15-21)41-37-20-6-4-19(5-7-20)36-39-28-12-10-26(34)25-16-22(49(43,44)45)8-9-23(25)28;;/h1-16,37H,33-35H2,(H,43,44,45)(H,46,47,48);;/q;2*+1/p-2/b39-36+,40-38+,41-31+;;

• Molecular Structure :