disodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[3-methyl-4-[(3-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate

CAS No.
5979-32-8
Chemical Name:
disodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[3-methyl-4-[(3-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
Synonyms
C.I.28250;Direct Red 121;C.I.Direct Red 121;Benzamin Bordeaux FB;Phenazo Fast Bordeaux FBL;Fenamin Diazo Bordeaux FBL;Direct red 121 (C.I. 28250);C.I.Direct Red 121:C.I.28250;disodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[3-methyl-4-[(3-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate;disodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[3-methyl-4-[(3-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
CBNumber:
CB8900739
Molecular Formula:
C30H22N6Na2O8S2
Molecular Weight:
704.64062
MDL Number:
MOL File:
5979-32-8.mol

disodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[3-methyl-4-[(3-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate Chemical Properties,Uses,Production

Preparation

3-Aminobenzenesulfonic acid diazo, and a coupling m-Toluidine , its product to diazo, and 7-(4-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

red to blue light Claret. For bright red is soluble in water, soluble in ethanol for product red. The strong sulfuric acid in blue, diluted red for brown. The dye solution to join strong hydrochloric acid for red light brown; Add thick sodium hydroxide solution for purplish red color, have precipitation

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 4 3 4 4
AATCC 5 5 3 2-3 3

disodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[3-methyl-4-[(3-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate Preparation Products And Raw materials

disodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[3-methyl-4-[(3-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate Direct red 121 (C.I. 28250) 7-[(4-Aminobenzoyl)amino]-4-hydroxy-3-[[3-methyl-4-[(3-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt Benzamin Bordeaux FB C.I.28250 C.I.Direct Red 121 Fenamin Diazo Bordeaux FBL Phenazo Fast Bordeaux FBL Direct Red 121 C.I.Direct Red 121:C.I.28250 disodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[3-methyl-4-[(3-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate 5979-32-8