Benzenesulfonic acid, 4-amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]-, monosodium salt
- CAS No.
- 6428-63-3
- Chemical Name:
- Benzenesulfonic acid, 4-amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]-, monosodium salt
- Synonyms
- Direct Brown 138;C.I.Direct Brown 138:C.I.31500;Benzenesulfonic acid, 4-amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]-, monosodium salt
- CBNumber:
- CB44769734
- Molecular Formula:
- C24H22N11NaO3S
- Molecular Weight:
- 567.55815
- MOL File:
- 6428-63-3.mol
Benzenesulfonic acid, 4-amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]-, monosodium salt Chemical Properties,Uses,Production
Preparation
N-(3-aminophenyl)formamide diazo, and 2,4-Diaminobenzenesulfonic acid coupling, hydrolysis amino acylation, product double nitriding, and Benzene-1,3-diamine (2 Moore) coupled.
Properties and Applications
red light brown. Soluble in water for orange brown, slightly soluble in alcohol. The strong sulfuric acid for ash to violet black, yellow to orange for diluted brown. The dye solution to join strong hydrochloric acid have dark brown precipitation; Add thick sodium hydroxide solution for orange brown; Add 10% sulfuric acid don’t change; Add 10% sodium hydroxide solution micro to become red.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 3 | 5 | 2 | 3-4 | 4 | ||
AATCC | 5 | 5 | 1-2 | 2-3 | 5 |
Benzenesulfonic acid, 4-amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]-, monosodium salt Preparation Products And Raw materials
Raw materials
Preparation Products
6428-63-3(Benzenesulfonic acid, 4-amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]-, monosodium salt)Related Search:
Benzenesulfonic acid, 4-amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]-, monosodium salt
C.I.Direct Brown 138:C.I.31500
Direct Brown 138
6428-63-3