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

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

Product Name:
disodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[3-methyl-4-[(3-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
Synonyms:
  • 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
CAS:
5979-32-8
MF:
C30H22N6Na2O8S2
MW:
704.64062
EINECS:
2277854
Mol File:
5979-32-8.mol
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disodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[3-methyl-4-[(3-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate Usage And Synthesis

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-sulphonateSupplier