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| Direct Black 11 Basic information |
Product Name: | Direct Black 11 | Synonyms: | Direct Black 11;C.I.Direct Black 11:C.I.30240 | CAS: | | MF: | | MW: | 0 | EINECS: | | Product Categories: | | Mol File: | Mol File | |
| Direct Black 11 Chemical Properties |
| Direct Black 11 Usage And Synthesis |
Preparation | 4-(4-Aminophenyl)benzenamine double nitriding, and aniline diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?and products in the coupling acid conditions coupled, then and 4-Chlorobenzene-1,3-diamine coupling. | Properties and Applications | green and black. For to black soluble in water, soluble in ethanol for blue-ray gray. The strong sulfuric acid solution for the red light in blue, diluted red for sauce; In strong hydrochloric acid for purple solution. The dye solution to join strong hydrochloric acid have sauce red precipitate; Add thick sodium hydroxide solution for blue-ray gray, 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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5
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3
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1-2
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2
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| Direct Black 11 Preparation Products And Raw materials |
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