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C.I. Direct Brown 67

C.I. Direct Brown 67 Structure
C.I. Direct Brown 67 structure
CAS No.
8006-00-6
Chemical Name:
C.I. Direct Brown 67
Synonyms
Direct Brown 67;C.I. Direct Brown 67;C.I.Direct Brown 67:C.I.26230
CBNumber:
CB34776133
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file
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C.I. Direct Brown 67 Chemical Properties,Uses,Production

Preparation

4-Aminonaphthalene-1-sulfonic acid (90%), 8-Aminonaphthalene-2-sulfonic acid (10%) diazo, and Naphthalen-1-amine coupling, product to diazo, and Benzene-1,3-diamine coupling.

Properties and Applications

Red light brown. Soluble in water for orange brown, slightly soluble in ethanol for yellow orange brown. The strong sulfuric acid for dark blue black, diluted for brown. The dye solution with strong hydrochloric acid with brown precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation.

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

C.I. Direct Brown 67 Preparation Products And Raw materials

Raw materials

1-Naphthylamine-7-sulfonic acid Naphthionic acid m-Phenylenediamine 1-Naphthylamine

Preparation Products

8006-00-6(C.I. Direct Brown 67)Related Search:

Direct Brown 7 C.I. Direct brown 75 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 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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C.I. Direct Brown 67 Direct Brown 67 C.I.Direct Brown 67:C.I.26230 8006-00-6