C.I. Direct brown 62
- CAS No.
- 8003-56-3
- Chemical Name:
- C.I. Direct brown 62
- Synonyms
- Direct Brown 62;C.I. Direct brown 62;C.I.Direct Brown 62:C.I.31720
- CBNumber:
- CB22497576
- Molecular Formula:
- C36H28N8O9S2.3Na
- Molecular Weight:
- 849.77
- MOL File:
- Mol file
EPA Substance Registry System | C.I. Direct Brown 62 (8003-56-3) |
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C.I. Direct brown 62 Chemical Properties,Uses,Production
Preparation
4-(4-Aminophenyl)benzenamine double nitriding,first coupled with 2-Hydroxybenzoic acid, then with 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and 2,4-Diamino-5-methylbenzenesulfonic acid coupling.
Properties and Applications
red light brown. Soluble in water for orange brown, slightly soluble in alcohol. In the dark for the strong sulfuric acid, diluted is shallow brown. The dye solution to join 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 | 1 | 3-4 | 2 | 1-2 | 2 |
C.I. Direct brown 62 Preparation Products And Raw materials
Raw materials
Preparation Products
8003-56-3(C.I. Direct brown 62)Related Search:
Direct Brown 57
6-Amino-4-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt
disodium 5-[[4'-[[4-[(4-hydroxyphenyl)azo]-6(or 7)-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate
DIRECT BROWN 6
Benzoic acid, 5-[[4'-[[7-(dimethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt
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C.I. Direct brown 62
C.I.Direct Brown 62:C.I.31720
Direct Brown 62
8003-56-3