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C.I. Direct brown 75

C.I. Direct brown 75 Structure
C.I. Direct brown 75 structure
CAS No.
1324-84-1
Chemical Name:
C.I. Direct brown 75
Synonyms
Direct Brown 75;C.I. Direct brown 75;C.I.Direct Brown 75:C.I.30325;Benzoic acid, 5-((4'-((1-amino-8-hydroxy(1-naphthalenylazo)-3,6-disulfonaphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, trisodium salt
CBNumber:
CB82492023
Molecular Formula:
C39H27N7O10S2.3Na
Molecular Weight:
886.79
MDL Number:
MOL File:
Mol file
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C.I. Direct brown 75 Properties

EPA Substance Registry System C.I. Direct Brown 75 (1324-84-1)

C.I. Direct brown 75 Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, and 2-Hydroxybenzoic acid coupling, and then and Naphthalen-1-amine diazo, Coupled with?4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid??coupling product obtained.

Properties and Applications

dark red light brown. The strong sulfuric acid for red light blue, purple solution for red after diluted, precipitation; In the nitric acid for brown. The dye solution to join strong hydrochloric acid have dark purple precipitation; Add thick sodium hydroxide solution is palm red light.

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

C.I. Direct brown 75 Preparation Products And Raw materials

Raw materials

Salicylic acid Benzidine 8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate 1-Naphthylamine

Preparation Products

1324-84-1(C.I. Direct brown 75)Related Search:

Direct Brown 7 DIRECT BROWN 74 6-Amino-3-[[4'-[[2,6-diamino-3-methyl-5-[(4-sulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt Direct Brown 69 Direct Brown 73
C.I. Direct Brown 67 Direct Brown 78 Direct Brown 70 4,4'-[(2-Methyl-5-sodiosulfo-1,3-phenylene)bis[azo(4,6-diamino-3,1-phenylene)azo]]bis[naphthalene-1-sulfonic acid sodium] salt

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Benzoic acid, 5-((4'-((1-amino-8-hydroxy(1-naphthalenylazo)-3,6-disulfonaphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, trisodium salt C.I. Direct brown 75 C.I.Direct Brown 75:C.I.30325 Direct Brown 75 1324-84-1