Molecule structure of C.I. Direct Blue 151, disodium salt (CAS NO.6449-35-0):

IUPAC Name: Disodium (3E)-7-amino-3-[[2-methoxy-4-[3-methoxy-4-[(2Z)-2-(1-oxo-4-sulfonatonaphthalen-2-ylidene)hydrazinyl]phenyl]phenyl]hydrazinylidene]-4-oxonaphthalene-2-sulfonate 
Molecular Weight: 773.69934 g/mol
Molecular Formula: C₃₄H₂₅N₅Na₂O₁₀S₂
H-Bond Donor: 3
H-Bond Acceptor: 15
Rotatable Bond Count: 7
Tautomer Count: 72
Exact Mass: 773.083823
MonoIsotopic Mass: 773.083823
Topological Polar Surface Area: 242
Heavy Atom Count: 53
Complexity: 1670
Canonical SMILES: COC1=C(C=CC(=C1)C2=CC(=C(C=C2)NN=C3C(=CC4=C(C3=O)C=CC(=C4)N)S(=O)(=O)O-])OC)NN=C5C=C(C6=CC=CC=C6C5=O)S(=O)(=O)[O-].[Na+].[Na+]
Isomeric SMILES: COC1=C(C=CC(=C1)C2=CC(=C(C=C2)N/N=C\3/C(=CC4=C(C3=O)C=CC(=C4)N)S(=O)(=O)[O-])OC)N/N=C\5/C=C(C6=CC=CC=C6C5=O)S(=O)(=O)[O-].[Na+].[Na+]
InChI: InChI=1S/C34H27N5O10S2.2Na/c1-48-28-14-18(7-11-25(28)36-38-27-17-30(50(42,43)44)23-5-3-4-6-24(23)33(27)40)19-8-12-26(29(15-19)49-2)37-39-32-31(51(45,46)47)16-20-13-21(35)9-10-22(20)34(32)41;;/h3-17,36-37H,35H2,1-2H3,(H,42,43,44)(H,45,46,47);;/q;2*+1/p-2/b38-27-,39-32-;;
InChIKey: XXCRZUIXNDFRTM-KAOFUVEOSA-L
EINECS: 229-250-0
Product Categories: Organics

 C.I. Direct Blue 151, disodium salt (CAS NO.6449-35-0) is used for cotton, hemp, silk, nylon, rayon and other fibers staining. It can also be used for leather, paper pulp color.

 C.I. Direct Blue 151, disodium salt (CAS NO.6449-35-0) is also named as Azine Copper Blue 2B ; Azoform Blue FO ; Benzo Copper Blue CVBS ; Brasilamina Copper Blue R ; C.I. 24175 ; C.I. Direct Blue 151 (VAN) ; CCRIS 2421 ; Chlorazol Copper Blue B ; Cotton Blue CVB ; Cuprodirect Blue CVS ; Diacotton Copper Blue BB ; Diamineral Blue CVB ; Diaphtamine Copper Blue FO ; Diazamine Blue B ; Diazo Fast Blue MP ; Diazophenyl Blue B ; Direct Blue CV ; Direct Copper Blue A ; Direct Copper Blue B ; Direct Lightfast Blue KU ; Enianil Blue CVB ; Enianil Blue CVBO ; Indoxine DRB ; Metadiazol Blue CV ; NSC 47754 ; Niagara Blue R ; Pontamine Copper Blue RRX ; Tertrodirect Blue CVB ; Trimaal Blue CVBN ; Trimal Blue CVBN ; Trisulfon Blue FO ; Vondacel Dark Blue CVB .