Basic information Safety Supplier Related

OXAMINE BLUE 4R

Basic information Safety Supplier Related

OXAMINE BLUE 4R Basic information

Product Name:
OXAMINE BLUE 4R
Synonyms:
  • OXAMINE BLUE 4R
  • DIRECT BLUE 3
  • disodium 3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-1-sulphonate
  • 3-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-4-hydroxy-1-naphthalenesulfonic acid disodium salt
  • C.I.23705
  • C.I.Direct Blue 3
  • Disodium 3-((4'-((6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo)-3,3'-dimethyl(1,1'-biphenyl)-4-yl)azo)-4-hydroxynaphthalene-1-sulphonate
  • Einecs 219-383-2
CAS:
2429-72-3
MF:
C34H28N5NaO8S2
MW:
721.73
EINECS:
219-383-2
Mol File:
2429-72-3.mol
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OXAMINE BLUE 4R Chemical Properties

Colour Index 
23705
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OXAMINE BLUE 4R Usage And Synthesis

Preparation

3,3′-Dimethylbenzidine double nitriding, first in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and then and 4-Hydroxynaphthalene-1-sulfonic acid coupling.

Properties and Applications

dark red light blue. Soluble in water for violet black, slightly soluble in ethanol for red light purple. The strong sulfuric acid for green light blue, diluted red for purple, have precipitation; In nitric acid for dark purple, and then into a red light purple. Dye with strong hydrochloric acid solution for purple, have precipitation; Add thick sodium hydroxide solution for purplish red color, have precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 4 1 1-2 2
AATCC 5 2-3 2 3 2

OXAMINE BLUE 4RSupplier

Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Email
market03@meryer.com
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Tel
17691182729 18161915376
Email
1046@dideu.com