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C.I. Direct Yellow 42

C.I. Direct Yellow 42 Structure
CAS No.
8005-54-7
Chemical Name:
C.I. Direct Yellow 42
Synonyms
Direct Yellow 42;C.I. Direct Yellow 42;C.I.Direct Yellow 42:C.I.29010
CBNumber:
CB94772243
Molecular Formula:
Molecular Weight:
0
MOL File:
Mol file
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C.I. Direct Yellow 42 Chemical Properties,Uses,Production

Preparation

5-Amino-2-chlorobenzenesulfonic acid diazo, and 2-Amino-4-methylanisole coupled to compounds (A); 4-Nitrobenzenamine diazo, coupled with 2-Hydroxybenzoic acid, and then will the nitro reduction for amino, compound (B). Then will molecules of the A and B mixture phosgenation (refer to C.I.Direct Yellow 26, C.I. 25300).

Properties and Applications

red light yellow. Soluble in water and ethanol is yellow. The strong sulfuric acid to purplish red color, diluted becomes shallow, with brown precipitation. The dye solution to join strong hydrochloric acid have dark purple precipitation; Add thick sodium hydroxide solution for yellow. Used for cellulose fiber dyeing, leather and paper color. 60 ~ 80 ℃ : the biggest dyeing affinity, good levelness.

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

C.I. Direct Yellow 42 Preparation Products And Raw materials

Raw materials

Salicylic acid 2-Methoxy-5-methylaniline DIRECT FAST YELLOW 5GL 4-CHLOROANILINE-3-SULFONIC ACID 4-Nitroaniline

Preparation Products

8005-54-7(C.I. Direct Yellow 42)Related Search:

DIRECT YELLOW 51 disodium 3,3'-[carbonylbis[imino(3-methoxy-4,1-phenylene)azo]]dibenzoate PRIMULINE C.I.Direct Yellow 52 DIRECT YELLOW 5
Direct Yellow 48 DIRECT YELLOW 50 SIRIUS YELLOW GC C.I.Direct Yellow 41
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C.I. Direct Yellow 42 Direct Yellow 42 C.I.Direct Yellow 42:C.I.29010 8005-54-7