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| Direct Black 24 Basic information |
Product Name: | Direct Black 24 | Synonyms: | Direct Black 24;C.I.Direct Black 24:C.I.31925 | CAS: | | MF: | | MW: | 0 | EINECS: | | Product Categories: | | Mol File: | Mol File | |
| Direct Black 24 Chemical Properties |
| Direct Black 24 Usage And Synthesis |
Preparation | 3,3′-Dimethylbenzidine double nitriding, first with 8-Aminonaphthalene-2-sulfonic acid coupling, product to diazo, and 4,5Dihydroxynaphthalene-1-sulfonic acid (2 Moore) coupled. | Properties and Applications | black. Soluble in water for dark purple, soluble in ethanol. The strong sulfuric acid for blue, shallow purple for diluted. The dye solution to join strong hydrochloric acid have dark purple precipitation; Add thick sodium hydroxide solution have dark purple 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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4-5
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1
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3
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1-2
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2-3
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| Direct Black 24 Preparation Products And Raw materials |
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