trisodium 2,4-bis[[2,4-diamino-5-[(3-sulphonatophenyl)azo]phenyl]azo]benzenesulphonate

CAS NO.：6428-26-8
Empirical Formula: C30H23N12Na3O9S3
Molecular Weight: 860.74293
EINECS: 229-206-0
SAFETY DATA SHEET (SDS)
Update Date: 2025-04-17 18:22:24

What is trisodium 2,4-bis[[2,4-diamino-5-[(3-sulphonatophenyl)azo]phenyl]azo]benzenesulphonate ?

Preparation

3-Aminobenzenesulfonic acid diazo, and the coupling Benzene-1,3-diamine, its product (2 Moore) and double the nitride 2,4-Diaminobenzenesulfonic acid (1 Moore) coupled.

Properties and Applications

red light brown. Soluble in water for yellow light brown. For the strong sulfuric acid in dark brown, diluted into a tan. In water solution to join strong hydrochloric acid with brown precipitation; Add thick sodium hydroxide solution for orange brown.

Safety information for trisodium 2,4-bis[[2,4-diamino-5-[(3-sulphonatophenyl)azo]phenyl]azo]benzenesulphonate

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Chromate(3-), bis[3-[[2-(amino-κN)-4-amino-5-chlorophenyl]azo-κN1]-2-(hydroxy-κO)-5-nitrobenzenesulfonato(3-)]-, disodium hydrogen

ACID BROWN 13

Acid Brown 14

disodium 4-[[2,4-diamino-5-[(3-sulphonatophenyl)azo]phenyl]azo]-2-[[2,6-dihydroxy-3-[(4-nitrophenyl)azo]phenyl]azo]benzenesulphonate

Acid Brown 144

4-Hydroxy-6-[[3-[(2-hydroxy-3-nitro-5-sodiosulfophenyl)azo]-2,4-dihydroxyphenyl]azo]-3-[(4-nitrophenyl)azo]naphthalene-2-sulfonic acid sodium salt

Acid Brown 121

disodium hydrogen bis[4-[[2,6-dihydroxy-3-[(2-hydroxy-3,5-dinitrophenyl)azo]phenyl]azo]-3- methylbenzenesulphonato(3-)]chromate(3-)