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Cost-effective and customizable trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)]chromate(3-) 57693-14-8 in stock

  • Molecular Formula: C40H20CrN6Na3O14S2
  • Molecular Weight: 993.71
  • Vapor Pressure: 0Pa at 25℃ 
  • PKA: 9.34[at 20 ℃] 
  • PSA: 364.48000 
  • Density: 1539[at 20℃] 
  • LogP: 14.22460 

trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)]chromate(3-)(Cas 57693-14-8) Usage

Preparation

4-Amino-3-hydroxynaphthalene-1-sulfonic acid diazo, and Naphthalen-2-ol coupling, and then translate into 1:2 chromium complex.

Flammability and Explosibility

Nonflammable

Properties and Applications

black. Dark brown powder, soluble in water. Used for wool, polyamide fiber, silk and their blended fabric dyeing and printing directly, also can used for leather dyeing. Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater Fading Stain Fading Stain Fading Stain ISO 7 4-5 5 5

Standard

Light Fastness

Fading

Stain

ISO

7

InChI:InChI=1/2C20H17N3O7S.Cr.3Na/c2*24-15-9-8-11-4-1-2-5-12(11)19(15)21-22-20-13-6-3-7-14(23(26)27)18(13)17(10-16(20)25)31(28,29)30;;;;/h2*1-3,7-10,14,24-25H,4-6H2,(H,28,29,30);;;;/q;;4*+1/p-4/b2*22-21-;;;;/rC40H30CrN6O14S2.3Na/c48-46(49)27-13-5-11-25-35(27)33(62(52,53)54)19-31-39(25)44-42-37-23-9-3-1-7-21(23)15-17-29(37)58-41(60-31)59-30-18-16-22-8-2-4-10-24(22)38(30)43-45-40-26-12-6-14-28(47(50)51)36(26)34(63(55,56)57)20-32(40)61-41;;;/h1-6,13-20,27-28H,7-12H2,(H,52,53,54)(H,55,56,57);;;/q-3;3*+1/b44-42-,45-43-;;;

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