2893-80-3

Basic information

• Product Name: disodium 5-[[4'-[[2,4-dihydroxy-3-[(4-sulphonatophenyl)azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate
• Synonyms: disodium 5-[[4'-[[2,4-dihydroxy-3-[(4-sulphonatophenyl)azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate;Trisulfon Brown 3R;C.I. Direct Brown 6;5-[[4'-[[2,4-Dihydroxy-3-[(4-sulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt;C.I.30140;Direct Brown GR;Direct Fast Brown GR
• CAS NO: 2893-80-3
• Molecular Formula: C31H20N6Na2O8S
• Molecular Weight: 682.57044
• EINECS: 220-768-2
• Mol File: 2893-80-3.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: disodium 5-[[4'-[[2,4-dihydroxy-3-[(4-sulphonatophenyl)azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate(CAS DataBase Reference)
• NIST Chemistry Reference: disodium 5-[[4'-[[2,4-dihydroxy-3-[(4-sulphonatophenyl)azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate(2893-80-3)
• EPA Substance Registry System: disodium 5-[[4'-[[2,4-dihydroxy-3-[(4-sulphonatophenyl)azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate(2893-80-3)

Safety Data

• Hazardous Substances Data: 2893-80-3(Hazardous Substances Data)

Usage

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, 4-Aminobenzenesulfonic acid?coupled with first, then and Resorcinol coupling, 2-Aminobenzenesulfonic acid diazo, and formation of accidentally coupled nitrogen compounds.

Properties and Applications

brown. Soluble in water for yellow brown, slightly soluble in soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid to red light purple, yellow light brown after diluted precipitation. The dye solution to join strong hydrochloric acid have yellow brown precipitation; Add thick, hydrogen oxidation solution for orange to red. Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water Fading Stain Fading Stain ISO 3 3-4 2-3 2 2 AATCC 3 2 2-3 2-3 4

Standard

Acid Resistance

Fading

Stain

ISO

3

AATCC

3