C.I. Direct brown 75
- CAS No.
- 1324-84-1
- Chemical Name:
- C.I. Direct brown 75
- Synonyms
- Direct Brown 75;C.I. Direct brown 75;C.I.Direct Brown 75:C.I.30325;Benzoic acid, 5-((4'-((1-amino-8-hydroxy(1-naphthalenylazo)-3,6-disulfonaphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, trisodium salt
- CBNumber:
- CB82492023
- Molecular Formula:
- C39H27N7O10S2.3Na
- Molecular Weight:
- 886.79
- MOL File:
- Mol file
EPA Substance Registry System | C.I. Direct Brown 75 (1324-84-1) |
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C.I. Direct brown 75 Chemical Properties,Uses,Production
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, and 2-Hydroxybenzoic acid coupling, and then and Naphthalen-1-amine diazo, Coupled with?4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid??coupling product obtained.
Properties and Applications
dark red light brown. The strong sulfuric acid for red light blue, purple solution for red after diluted, precipitation; In the nitric acid for brown. The dye solution to join strong hydrochloric acid have dark purple precipitation; Add thick sodium hydroxide solution is palm red light.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 4 | 4-5 | 1-2 | 1-2 | 3 |
C.I. Direct brown 75 Preparation Products And Raw materials
Raw materials
Preparation Products
1324-84-1(C.I. Direct brown 75)Related Search:
Benzoic acid, 5-((4'-((1-amino-8-hydroxy(1-naphthalenylazo)-3,6-disulfonaphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, trisodium salt
C.I. Direct brown 75
C.I.Direct Brown 75:C.I.30325
Direct Brown 75
1324-84-1