C.I. Direct Brown 29

Product Name
C.I. Direct Brown 29
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
Formula Weight
0
MOL File
Mol file
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Hazard and Precautionary Statements (GHS)

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C.I. Direct Brown 29 Chemical Properties,Usage,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

Preparation Products

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C.I. Direct Brown 29 Suppliers