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C.I. Direct Brown 149

C.I. Direct Brown 149 Structure
C.I. Direct Brown 149 structure
CAS No.
1333-26-2
Chemical Name:
C.I. Direct Brown 149
Synonyms
Direct Brown 149;C.I. Direct Brown 149;C.I.Direct Brown 149:C.I.36310
CBNumber:
CB14755631
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file
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C.I. Direct Brown 149 Chemical Properties,Uses,Production

Preparation

3,5-Diamino-4-methylbenzenesulfonic acid diazo, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, its product double nitriding, and Benzene-1,3-diamine (2 Moore) coupled, 3,5-Diamino-4-methylbenzenesulfonic acid (1 Moore) double nitriding, and generated three accidentally nitrogen compounds (2 Moore) coupled.

Properties and Applications

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

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

C.I. Direct Brown 149 Preparation Products And Raw materials

Raw materials

1-Naphthylamine-7-sulfonic acid 1-Aminonaphthalene-6-sulfonic acid m-Phenylenediamine 2,6-Diaminotoluene-4-sulfonic acid

Preparation Products

1333-26-2(C.I. Direct Brown 149)Related Search:

Direct Brown 148 Benzenesulfonic acid, 4-amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]-, monosodium salt C.I. Direct brown 151, disodium salt C.I. Direct brown 14 Direct Brown 146
2-Naphthalenesulfonic acid, 6-[(2,4-diaminophenyl)azo]-3-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]-4-hydroxy-, monosodium salt Benzenesulfonic acid, 3,3'-(carbonyldiimino)bis[6-[(2,4-diaminophenyl)azo]-, disodium salt C.I. Direct Brown 150

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C.I. Direct Brown 149 Direct Brown 149 C.I.Direct Brown 149:C.I.36310 1333-26-2