Basic Dyes
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  • Basic brown Dyes

    Name: Basic  Brown 4, Bismarck brown R Molecular Formula: C21H26Cl2N8 Molecular Weight: 461.39 CAS Number: 5421-66-9 EINECS No.: 226-541-4   Color index: 21010 Appearance: Brown Powder Solubility: Soluble in water Melting Point:222 °C  Application: Use in Textile Industries,Ink and leather indistries, paper industries.  
  • Basic violet Dyes

    Name: Basic Violet 10 Molecular Formula: C28H31ClN2O3 Molecular Weight: 479.01 CAS Number: 81-88-9 EINECS No.:201-383-9   Properties and Applications: red light purple. Light green flash small crystalline powder. Soluble in water and alcohol with a strong fluorescence blue light red solution, easily soluble in soluble fiber element, slightly soluble in acetone. The strong sulfuric acid for yellow brown, have intense green fluorescent, diluted by the large red after change to blue light red, and then into the orange; In nitric acid for golden brown. Dyes to join sodium hydroxide solution for the roses red, after heating villous precipitation; Join the hydrochloric acid have green subtle crystallization precipitation. In acetic acid dye in silk, used for mordant dyeing cotton cloth dyeing tannins, mainly used for light wax paper, such as typing paper, which is used in the manufacturing of the color, printing ink, painterly dye, also can be used for hemp, straw and leather products color.
  • Basic Yellow Dyes

    Name: Basic Yellow 2 Molecular Formula: C17H22ClN3 Molecular Weight: 303.83 CAS Number: 2465-27-2 EINECS No.: 219-567-2   Properties and Applications: yellow. Soluble in cold water, soluble in hot water for bright yellow, in boiling water can decompose, soluble in ethanol for yellow. The strong sulfuric acid in colorless, diluted into light yellow. Add hydrochloric acid in aqueous solution into deep yellow, heated to a boiling is colorless; Sodium hydroxide solution to generate white precipitation. Silk fiber in a bright yellow, in a red under tengsten lamp. Used for silk, acrylic, tannin mordant dyeing cotton dyeing, also can be used for leather, paper, hemp and glue directly printing and dyeing, the discharge printing. Can also be used in oil and fat, paint color, also can be used in the preparation of color which used in ink