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DirectBlue151

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  • Name DirectBlue151
  • EINECSN/A
  • CAS No. 110735-25-6
  • Density1.573 g/cm3
  • PSA265.54000
  • LogP10.05240
  • SolubilityN/A
  • Melting PointN/A
  • FormulaC34H25N5O10S2.2Na
  • Boiling PointN/A
  • Molecular Weight773.708
  • Flash PointN/A
  • Transport InformationN/A
  • AppearanceBlue black powder
  • Safety
  • Risk CodesN/A
  • Molecular Structure
    Molecular Structure of 110735-25-6 (Direct Blue 151)
  • Hazard SymbolsN/A
  • SynonymsN/A

DirectBlue151 Specification

The DirectBlue151 is an dyestuff with the molecular formula C34H25N5O10S2.2Na. The systematic name of this chemical is (3E)-3-(2-{4'-[(2E)-2-(6-amino-1-oxo-3-sulfonaphthalen-2(1H)-ylidene)hydrazinyl]-3,3'-dimethoxybiphenyl-4-yl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-1-sulfonic acid. With the CAS registry number 110735-25-6, it is also named as Azine Copper Blue 2B; Benzo Copper Blue CVBS. In addition, it is blue black powder which appears blue purple when dissolved in water and appears reddish purple when soluble in alcohol.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 0.53; (2)# of Rule of 5 Violations: 3; (3)ACD/LogD (pH 5.5): 0; (4)ACD/LogD (pH 7.4): 0; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 15; (10)#H bond donors: 6; (11)#Freely Rotating Bonds: 10; (12)Index of Refraction: 1.721; (13)Molar Refractivity: 183.406 cm3; (14)Molar Volume: 463.776 cm3; (15)Polarizability: 72.708×10-24 cm3; (16)Surface Tension: 68.204 dyne/cm.

Preparation of DirectBlue151: Using dianisidine, J acid and NW acid as the basic raw materials; Diazotizating dianisidine with sodium nitrite and sulfuric acid; Neutralizing J acid and NW acid with sodium hydroxide; And then coupling the diazotization material and salts of J acid and NW acid, and finally by salting out, filtration and drying, we can get the product.

Uses of DirectBlue151: It is mainly used to dye cotton, linen, rayon and other cellulose fiber, and also used for coloring viscose / nylon blended fabric. In addition, it can be used for dyeing leather and paper.

People can use the following data to convert to the molecule structure. 
1. SMILES: O=S(=O)(O)C\6=C\c1cc(N)ccc1C(=O)C/6=N/Nc2ccc(cc2OC)c3ccc(c(OC)c3)N/N=C5\C=C(/c4c(cccc4)C5=O)S(=O)(=O)O;
2. InChI: InChI=1/C34H27N5O10S2/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)/b38-27+,39-32-.

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