| Identification | Back Directory | [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 | [CAS]
5852-25-5 | [Synonyms]
C.I.28660
Direct Orange 90
C.I.Direct Orange 90
Benzamin Brilliant Orange GRN
C.I.Direct Orange 90:C.I.28660
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 | [EINECS(EC#)]
227-461-2 | [Molecular Formula]
C33H22N8Na2O8S | [MOL File]
5852-25-5.mol | [Molecular Weight]
736.621 |
| Hazard Information | Back Directory | [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.
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Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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Fading
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Stain
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Fading
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Stain
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AATCC
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4
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1-2
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3
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3-4
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3-4
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