Acid Violet 17
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Acid Violet 17
C.I.Acid Violet 17
C.I.42640
CAS:4129-84-4
Synonymous names:Acid Brilliant Milling Violet 4BS (Amar);Acid Violet 4BNS (WLDC);Covalene Violet S4B (CRD);Dinacid Violet 4BN (DNT);Formyl Violet S4B (Adel); Libacid Violet L4BS (LEL);Special Violet S4B-F (DYS);Triacid Violet S4B (CFT);Vicoacid Violet BN (VCC);Violet S4B (FF)
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Description
C.I.Acid Violet 17
C.I.42640
CAS:4129-84-4
Synonymous names:Acid Brilliant Milling Violet 4BS (Amar);Acid Violet 4BNS (WLDC);Covalene Violet S4B (CRD);Dinacid Violet 4BN (DNT);Formyl Violet S4B (Adel); Libacid Violet L4BS (LEL);Special Violet S4B-F (DYS);Triacid Violet S4B (CFT);Vicoacid Violet BN (VCC);Violet S4B (FF)
Physicochemical Properties: Dark navy-blue powder, highly soluble in water (purple) and ethanol (bluish-purple). In concentrated sulfuric acid, it appears reddish-yellow, turning light green upon dilution; in concentrated nitric acid, it appears bluish-green. The aqueous solution turns light dull purple with sodium hydroxide solution.
Applications: Primarily used for wool dyeing, producing very bright shades but with low lightfastness. Suitable for direct printing on wool, silk, and nylon fabrics, as well as leather coloring. Insensitive to sodium dichromate, making it suitable for blending with mordant dyes.
