Identification | Back Directory | [Name]
disodium 5-[[4'-[[7-(acetylamino)-1-hydroxy-3-sulphonato-2-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate | [CAS]
6459-86-5 | [Synonyms]
C.I.22360 Direct Red 88 Einecs 229-269-4 C.I.Direct Red 88 C.I.Direct Red 88:C.I.22360 Disodium 5-((4'-((7-(acetylamino)-1-hydroxy-3-sulphonato-2-naphthyl)azo)(1,1'-biphenyl)-4-yl)azo)salicylate disodium 5-[[4'-[[7-(acetylamino)-1-hydroxy-3-sulphonato-2-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate 5-[[4'-[[7-(Acetylamino)-1-hydroxy-3-sulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt Benzoic acid, 5-((4'-((7-(acetylamino)-1-hydroxy-3-sulpho-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, disodium salt | [EINECS(EC#)]
229-269-4 | [Molecular Formula]
C31H21N5Na2O8S | [MOL File]
6459-86-5.mol | [Molecular Weight]
669.572 |
Hazard Information | Back Directory | [Preparation]
4-(4-Aminophenyl)benzenamine double nitriding, respectively with 2-Hydroxybenzoic acid and?6-Amino-4-hydroxynaphthalene-2-sulfonic acid?coupling. | [Properties and Applications]
dark red red to blue light. Soluble in water is cherry red. The strong sulfuric acid for dark red light purple, diluted for brown. The dye solution to join strong hydrochloric acid have brown light purple precipitation; Add thick sodium hydroxide solution for red light brown, a brick red precipitate
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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3-4
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3-4
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3
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2-3
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