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| | Direct Violet 12 Basic information |
| Product Name: | Direct Violet 12 | | Synonyms: | C.I. Direct violet 12;Japanol Violet Extra;Mitsui Direct Violet R;Oiacotton Ciolet X;3,3'-[(1,1'-Biphenyl-4,4'-diyl)bis(azo)]bis[7-amino-4-hydroxy-2-naphthalenesulfonic acid sodium] salt;C.I.22550;Direct Violet O;Direct Violet 12 | | CAS: | 2429-75-6 | | MF: | C32H25N6NaO8S2 | | MW: | 708.7 | | EINECS: | | | Product Categories: | | | Mol File: | 2429-75-6.mol |  |
| | Direct Violet 12 Chemical Properties |
| | Direct Violet 12 Usage And Synthesis |
| Preparation | 4-(4-Aminophenyl)benzenamine double nitriding, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid (2 Moore) coupled. | | Properties and Applications | purple. Deep smoked uniform powder. Soluble in water for violet black, soluble in ethanol for product red. In the strong sulfuric acid as dark blue, diluted into dark purple. The dye solution to join strong hydrochloric acid for Red sauce or violet black, precipitation; Add thick sodium hydroxide solution for violet black, precipitation. Cellulose fiber of dyeing, the dye devoured the gender is good, in the 80 ~ 100 ℃ maximum when affinity. Hard to more sensitive. Mainly used for cotton, cellulose fiber fabrics such as glue of dyeing, also can be used for paper dyeing.
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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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3-4
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4-5
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1-2
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2
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1-2
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AATCC
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2
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5
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2
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1-2
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2
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| | Direct Violet 12 Preparation Products And Raw materials |
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