| Identification | Back Directory | [Name]
disodium 5-[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]benzoyl]amino]salicylate | [CAS]
6771-94-4 | [Synonyms]
C.I.17805
C.I.Direct Red 145
C.I.Direct Red 145:C.I.17805
disodium 5-[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]benzoyl]amino]salicylate
5-[[4-[[6-[(4-Aminobenzoyl)amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]benzoyl]amino]-2-hydroxybenzoic acid disodium salt
disodium,(3Z)-7-[(4-aminobenzoyl)amino]-3-[[4-[(3-carboxy-4-oxidophenyl)carbamoyl]phenyl]hydrazinylidene]-4-oxonaphthalene-2-sulfonate | [EINECS(EC#)]
229-834-5 | [Molecular Formula]
C31H21N5Na2O9S | [MOL File]
6771-94-4.mol | [Molecular Weight]
685.571 |
| Hazard Information | Back Directory | [Preparation]
2-Hydroxy-5-(4-aminobenzamido)benzoic acid?diazo, and 7-(4-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling. | [Properties and Applications]
colourful red yellow light. Soluble in water for orange brown, and adequate soluble in ethanol for orange. The strong sulfuric acid for quality in red, orange for gold after diluted. The dye solution to join strong hydrochloric acid for orange brown, have precipitation; Add thick sodium hydroxide solution for red light 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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ISO
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4-5
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3
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4
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4
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4-5
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AATCC
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4
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3-4
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3-4
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4
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4
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