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| C.I. Direct red 59 Basic information |
Product Name: | C.I. Direct red 59 | Synonyms: | Benzoic acid, 5-((4'-((6-(acetylamino)-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-3-methyl-, disodium salt;C.I. Direct red 59;C.I.Direct Red 59:C.I.22420;Direct Red 59 | CAS: | 6655-94-3 | MF: | C32H26N5NaO8S | MW: | 663.64 | EINECS: | | Product Categories: | | Mol File: | 6655-94-3.mol | |
| C.I. Direct red 59 Chemical Properties |
| C.I. Direct red 59 Usage And Synthesis |
Preparation | 4-(4-Aminophenyl)benzenamine double nitriding, first with 2-Hydroxy-3-methylbenzoic acid coupling, again with ?7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling. | Properties and Applications | blue-ray red. Soluble in water for red orange brown, soluble in ethanol in red. The strong sulfuric acid in the dark for, for the red light brown after diluted. The dye solution to join strong hydrochloric acid for red light brown, have precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation.
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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4
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1-2
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3
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| C.I. Direct red 59 Preparation Products And Raw materials |
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