Direct Brown 7
Direct Brown 7 Basic information
- Product Name:
- Direct Brown 7
- Synonyms:
-
- Direct Brown 7
- C.I.Direct Brown 7:C.I.30035
- MW:
- 0
- Mol File:
- Mol File
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Direct Brown 7 Usage And Synthesis
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, and 2,4-Diamino-5-methylbenzenesulfonic acid coupling, and then and 4-Aminobenzenesulfonic acid?diazo, and Benzene-1,3-diamine coupled to accidentally coupled nitrogen compounds.
Properties and Applications
brown. Soluble in water for orange brown, soluble in ethanol is palm yellow light. The strong sulfuric acid for sauce red to red light brown, for yellow brown after diluted. The dye solution to join strong hydrochloric acid have yellow olive 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 | ||||
| AATCC | 1 | 4 | 2 | 3 | 2 | ||
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Direct Brown 7()Related Product Information
- C.I. Direct brown 75
- DIRECT BROWN 74
- 6-Amino-3-[[4'-[[2,6-diamino-3-methyl-5-[(4-sulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt
- Direct Brown 69
- Direct Brown 73
- C.I. Direct Brown 67
- Direct Brown 78
- Direct Brown 70
- 4,4'-[(2-Methyl-5-sodiosulfo-1,3-phenylene)bis[azo(4,6-diamino-3,1-phenylene)azo]]bis[naphthalene-1-sulfonic acid sodium] salt