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disodium 1-(3-aminophenyl)-4,5-dihydro-4-[[4-[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]amino]carbonyl]phenyl]azo]-5-oxo-1H-pyrazole-3-carboxylate

Basic information Safety Supplier Related

disodium 1-(3-aminophenyl)-4,5-dihydro-4-[[4-[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]amino]carbonyl]phenyl]azo]-5-oxo-1H-pyrazole-3-carboxylate Basic information

Product Name:
disodium 1-(3-aminophenyl)-4,5-dihydro-4-[[4-[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]amino]carbonyl]phenyl]azo]-5-oxo-1H-pyrazole-3-carboxylate
Synonyms:
  • disodium 1-(3-aminophenyl)-4,5-dihydro-4-[[4-[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]amino]carbonyl]phenyl]azo]-5-oxo-1H-pyrazole-3-carboxylate
  • 1-(3-Aminophenyl)-4,5-dihydro-4-[[4-[(5-hydroxy-6-phenylazo-7-sodiosulfo-2-naphthalenyl)aminocarbonyl]phenyl]azo]-5-oxo-1H-pyrazole-3-carboxylic acid sodium salt
  • Benzamin Brilliant Orange GRN
  • C.I.28660
  • C.I.Direct Orange 90
  • C.I.Direct Orange 90:C.I.28660
  • Direct Orange 90
CAS:
5852-25-5
MF:
C33H22N8Na2O8S
MW:
736.62112
EINECS:
227-461-2
Mol File:
5852-25-5.mol
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disodium 1-(3-aminophenyl)-4,5-dihydro-4-[[4-[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]amino]carbonyl]phenyl]azo]-5-oxo-1H-pyrazole-3-carboxylate Usage And Synthesis

Preparation

aniline diazo, and 7-(4-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling, product to diazo, and 1-(3-Nitrophenyl)-3-carboxy-5-pyrazolone-three, and then will the nitro reduction for amino.

Properties and Applications

bright orange. Soluble in water for palm light orange, orange soluble in alcohol. In the strong sulfuric acid to red, shallow orange for diluted. The dye solution to join strong hydrochloric acid for red orange, precipitation; Add thick sodium hydroxide solution for orange brown.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 4 1-2 3 3-4 3-4

disodium 1-(3-aminophenyl)-4,5-dihydro-4-[[4-[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]amino]carbonyl]phenyl]azo]-5-oxo-1H-pyrazole-3-carboxylateSupplier