Benzoic acid, 5-[[4'-[[7-(dimethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt
- CAS No.
- 6426-59-1
- Chemical Name:
- Benzoic acid, 5-[[4'-[[7-(dimethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt
- Synonyms
- Direct Brown 58;C.I.Direct Brown 58:C.I.22340;Benzoic acid, 5-[[4'-[[7-(dimethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt
- CBNumber:
- CB64770147
- Molecular Formula:
- C31H23N5Na2O7S
- Molecular Weight:
- 655.58816
- MDL Number:
- MOL File:
- 6426-59-1.mol
Benzoic acid, 5-[[4'-[[7-(dimethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt Properties
EPA Substance Registry System | C.I. Direct Brown 58 (6426-59-1) |
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Benzoic acid, 5-[[4'-[[7-(dimethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt Chemical Properties,Uses,Production
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then in alkaline conditions and 6-(Dimethylamino)-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
brown. Soluble in water for dark brown, soluble in ethanol for dark orange brown. The strong sulfuric acid as dark blue light in purple, for after diluted purplish red, red brown precipitation. The dye solution to join 10% sulfuric acid as dark blue light red; Add thick sodium hydroxide solution for red light orange brown.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 2 | 4-5 | 3 | 2-3 | 2-3 | ||
AATCC | 4 | 5 | 3-4 | 2-3 | 2-3 |
Benzoic acid, 5-[[4'-[[7-(dimethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt Preparation Products And Raw materials
Raw materials
Preparation Products
6426-59-1(Benzoic acid, 5-[[4'-[[7-(dimethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt)Related Search:
Benzoic acid, 5-[[4'-[[7-(dimethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt
C.I.Direct Brown 58:C.I.22340
Direct Brown 58
6426-59-1