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ChemicalBook >  Product Catalog >  Dyes and Pigments >  dye >  disodium 7-[[3-[(4-aminobenzoyl)amino]benzoyl]amino]-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate

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

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

Product Name:
disodium 7-[[3-[(4-aminobenzoyl)amino]benzoyl]amino]-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
Synonyms:
  • disodium 7-[[3-[(4-aminobenzoyl)amino]benzoyl]amino]-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
  • 7-[[3-[(4-Aminobenzoyl)amino]benzoyl]amino]-4-hydroxy-3-[[4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt
  • Benzamin Red 5B
  • C.I.28360
  • C.I.Direct Red 152
  • Diazine Red 5BL
  • Nyagene Red 5BL
  • Pontamine Diazo Red 5BL
CAS:
5905-22-6
MF:
C36H25N7Na2O9S2
MW:
809.73474
EINECS:
2276028
Mol File:
5905-22-6.mol
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disodium 7-[[3-[(4-aminobenzoyl)amino]benzoyl]amino]-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate Chemical Properties

EPA Substance Registry System
2-Naphthalenesulfonic acid, 7-[[3-[(4-aminobenzoyl)amino]benzoyl]amino]-4-hydroxy-3-[[4-[(4-sulfophenyl)azo]phenyl]azo]-, disodium salt (5905-22-6)
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disodium 7-[[3-[(4-aminobenzoyl)amino]benzoyl]amino]-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate Usage And Synthesis

Preparation

4-((4-Aminophenyl)diazenyl)benzenesulfonic acid diazo, and 6-[3-(4-Aminobenzamido)benzamido]-1-naphthol-3-sulfonic acid?coupling.

Properties and Applications

red. Soluble in water for product red, slightly soluble in alcohol. The strong sulfuric acid for green light blue, pink solution for diluted, precipitation. The dye solution with strong hydrochloric acid have sauce red precipitate; Add thick sodium hydroxide solution has the purple precipitation.

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

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