Direct Brown 20
- Product Name
- Direct Brown 20
- Chemical Name
- Direct Brown 20
- Synonyms
- Direct Brown 20;C.I.Direct Brown 20:C.I.30060
- CBNumber
- CB19702953
- Formula Weight
- 0
- MOL File
- Mol file
More
Less
Direct Brown 20 Chemical Properties,Usage,Production
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? ?diazo, and Benzene-1,3-diamine coupled to a product matches.
Properties and Applications
brown. Soluble in water for red light brown. The strong sulfuric acid for red light blue, for yellow brown after diluted. The dye solution to join strong hydrochloric acid have dark brown precipitation; With strong sodium hydroxide solution for yellow brown, then a red light brown precipitation.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
AATCC | 4 | 4 | 2 | 2-3 | 2-3 |
Direct Brown 20 Preparation Products And Raw materials
Raw materials
Preparation Products
More
Less
Direct Brown 20 Suppliers
Direct Brown 20Related Search:
Direct Brown 223
Direct Brown 206
CI34035
Direct Brown 227
5-[[4'-[[8-[[2,4-Diamino-5-[(4-sodiosulfophenyl)azo]phenyl]azo]-1-hydroxy-3,6-bis(sodiosulfo)-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxybenzoic acid sodium salt
Benzoic acid, 5-[[4'-[[2,4-dihydroxy-3-[(4-sulfo-1-naphthalenyl)azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt
Direct Brown 221
Direct Brown 222
C.I. Direct Brown 208