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| Direct Green 22 Basic information |
Product Name: | Direct Green 22 | Synonyms: | Direct Green 22;C.I.Direct Green 22:C.I.31775 | CAS: | | MF: | | MW: | 0 | EINECS: | | Product Categories: | | Mol File: | Mol File | |
| Direct Green 22 Chemical Properties |
| Direct Green 22 Usage And Synthesis |
Preparation | 4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, And then with 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and 4,5Dihydroxynaphthalene-1-sulfonic acid ?coupling. | Properties and Applications | dark green to olive green. Soluble in water for olive green, and adequate soluble in ethanol for green light. The strong sulfuric acid for violet black, diluted for Light gray Light green. The dye solution to join strong hydrochloric acid for olive; Add thick sodium hydroxide solution for olive brown.
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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3-4
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3
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3
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1-2
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2-3
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| Direct Green 22 Preparation Products And Raw materials |
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