| Identification | Back Directory | [Name]
disodium 4-[[4-[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]benzoyl]amino]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylate | [CAS]
6391-23-7 | [Synonyms]
C.I.25240
Direct Red 141
C.I.Direct Red 141
Diazo Brilliant Scarlet ROL
C.I.Direct Red 141:C.I.25240
Benzamin Brilliant Scarlet ROG
disodium 4-[[4-[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]benzoyl]amino]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylate
4-[[4-[[4-[[6-[(4-Aminobenzoyl)amino]-1-hydroxy-3-sulfonaphthalen-2-yl]azo]benzoyl]amino]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid disodium salt
4-[[4-[[4-[[6-[(4-Aminobenzoyl)amino]-1-hydroxy-3-sodiosulfo-2-naphthalenyl]azo]benzoyl]amino]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid sodium salt | [EINECS(EC#)]
229-001-6 | [Molecular Formula]
C40H30N9NaO9S | [MOL File]
6391-23-7.mol | [Molecular Weight]
835.78 |
| Hazard Information | Back Directory | [Preparation]
N-(4-aminophenyl)-4-nitrobenzamide diazo, and 5-Oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylic acid coupling, its product nitro reduction for amino, again diazo, and 7-(4-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling. | [Properties and Applications]
red. Soluble in water for red orange brown, slightly soluble in ethanol is palm light orange. The strong sulfuric acid in bright red, diluted for orange, red orange precipitation. The dye solution with strong hydrochloric acid for red, have precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation.
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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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ISO
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3
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3-4
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3
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4
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4
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AATCC
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3
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4
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3
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3
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4
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