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C.I. Direct Red 169, disodium salt

C.I. Direct Red 169, disodium salt Structure
CAS No.
6391-12-4
Chemical Name:
C.I. Direct Red 169, disodium salt
Synonyms
Direct Red 169;C.I.Direct Red 169:C.I.25000;C.I. Direct Red 169, disodium salt
CBNumber:
CB44753890
Molecular Formula:
C32H25N8NaO9S2
Molecular Weight:
752.71
MOL File:
6391-12-4.mol
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C.I. Direct Red 169, disodium salt Chemical Properties,Uses,Production

Preparation

(a) M-nitroaniline diazo, in acid conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, then use glucose and sodium hydroxide solution will nitro reduction; (b) 3-(3-(3-Aminophenyl)-1-oxadiaziridin-2-yl)benzenamine double nitriding, in acid conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid (2 Moore) coupled.

Properties and Applications

dark red. Soluble in water for orange brown, slightly soluble in alcohol. The strong sulfuric acid for dark olive brown, for yellow brown after diluted. The dye solution to join strong hydrochloric acid for dark brown, have precipitation; Add thick sodium hydroxide solution for palm light orange to brown.

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

C.I. Direct Red 169, disodium salt Preparation Products And Raw materials

Raw materials

J acid 3-(3-(3-aminophenyl)-1-oxadiaziridin-2-yl)benzenamine 3-Nitroaniline

Preparation Products

6391-12-4(C.I. Direct Red 169, disodium salt)Related Search:

Chloramine Rubine DIRECT RED 16 2-Hydroxy-5-[[4'-[(2-hydroxy-3,6-disulfo-1-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]benzoic acid trisodium salt [4-Chloro-2-[[1-hydroxy-6-[[4-[(8-hydroxy-5-quinolinyl)azo]benzoyl]amino]-3-sulfo-2-naphtyl]azo]phenoxy]acetic acid Benzoic acid, 5-[[4-[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]benzoyl]amino]phenyl]azo]-2-hydroxy-, disodium salt
Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(3-aminophenyl)-7-[(2,4-dimethylphenyl)azo]-6-hydroxy-, monosodium salt 7,7'-(Carbonyldiimino)bis[4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]-2-naphthalenesulfonic acid]disodium salt Direct Red 173 disodium 5-[[4-[[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]phenyl]amino]carbonyl]phenyl]azo]salicylate
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C.I. Direct Red 169, disodium salt Direct Red 169 C.I.Direct Red 169:C.I.25000 6391-12-4