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C.I. Direct Brown 29

C.I. Direct Brown 29 Structure
C.I. Direct Brown 29 structure
CAS No.
1325-69-5
Chemical Name:
C.I. Direct Brown 29
Synonyms
Direct Brown 29;C.I. Direct Brown 29;C.I.Direct Brown 29:C.I.40505
CBNumber:
CB74768369
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file
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C.I. Direct Brown 29 Chemical Properties,Uses,Production

Preparation

2-Methyl-5-nitrobenzenesulfonie acid from the condensed products and Benzene-1,4-diamine condensation. That was??2-Methyl-5-nitrobenzenesulfonie acid sodium hydroxide solution at reflux under heating together with?Benzene-1,4-diamine?, its molecular ratio is 2:1. Its product (C.I.Direct Orange 28, C.I. 40065) diazo, and 6-(Dimethylamino)-4-hydroxynaphthalene-2-sulfonic acid in alkaline conditions coupled.

Properties and Applications

brown. Soluble in water for yellow orange to brown, slightly soluble in soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for Violet, dilute precipitation after dark brown; In nitric acid partly dissolved for red light brown.

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

C.I. Direct Brown 29 Preparation Products And Raw materials

Raw materials

6-DIMETHYLAMINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACID C.I. Direct Orange 28 p-Phenylenediamine

Preparation Products

1325-69-5(C.I. Direct Brown 29)Related Search:

disodium 3-[[4-[[4-[(2,4-diamino-5-nitrophenyl)azo]-m-tolyl]azo]-o-tolyl]azo]naphthalene-1,5-disulphonate disodium 2'-[4-[[1-hydroxy-7-(phenylamino)-3-sulphonato-2-naphthyl]azo]phenyl]-6-methyl[2,6'-bibenzothiazole]-7-sulphonate C.I. Direct brown 26 Direct brown 33 (C.I. 35520) Direct Brown 250
trisodium 5-[[4'-[[4-[(4-amino-7-sulphonato-1-naphthyl)azo]-6-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate C.I. Direct Brown 34 DIRECT BROWN B Direct Brown 25

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C.I. Direct Brown 29 Direct Brown 29 C.I.Direct Brown 29:C.I.40505 1325-69-5