C.I. Direct brown 75
- Product Name
- 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
- Formula Weight
- 886.79
- MOL File
- Mol file
More
Less
C.I. Direct brown 75 Property
- EPA Substance Registry System
- C.I. Direct Brown 75 (1324-84-1)
More
Less
C.I. Direct brown 75 Chemical Properties,Usage,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
More
Less
C.I. Direct brown 75 Suppliers
1324-84-1, C.I. Direct brown 75Related Search:
Direct Brown 7
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