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| | Direct Red 16 Basic information |
| Product Name: | Direct Red 16 | | Synonyms: | 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-5-hydroxy-6-(phenylazo)-7-sulfo-2-naphthalenylazo-, disodium salt;7-Amino-4-hydroxy-3-[[5-hydroxy-6-(phenylazo)-7-sulfo-2-naphtyl]azo]-2-naphthalenesulfonic acid disodium salt;C.I.27680;C.I.Direct Red 16;MMFAIRVIRUMWLM-DBHLKOEUSA-L;2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-(2-(5-hydroxy-6-(2-phenyldiazenyl)-7-sulfo-2-naphthalenyl)diazenyl)-, sodium salt (1:2);C.I. Direct red 16, disodium salt;Disodium 7-amino-4-hydroxy-3-((5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl)azo)naphthalene-2-sulphonate | | CAS: | 6227-02-7 | | MF: | C26H20N5NaO8S2 | | MW: | 617.58 | | EINECS: | 228-323-4 | | Product Categories: | Organics | | Mol File: | 6227-02-7.mol |  |
| | Direct Red 16 Chemical Properties |
| | Direct Red 16 Usage And Synthesis |
| Preparation | aniline diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupled its product to diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling. | | Flammability and Explosibility | Nonflammable | | Properties and Applications | red. Soluble in water for product red, slightly soluble in ethanol peach pink, insoluble in other organic solvents. The strong sulfuric acid for blue, red to orange diluted to brown, and a red precipitate.
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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
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3-4
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2
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1-2
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1
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AATCC
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4
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3
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1-2
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1
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1
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| | Direct Red 16 Preparation Products And Raw materials |
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