Basic Violet 3
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Basic Violet 3
C.I.Basic Violet 3
C.I.42555
CAS:548-62-9
Synonymous names：Aizen Crystal Violet (HCC);Basazol Violet 57L (DYS);Basonyl Violet 609 (DYS);Basonyl Violet 610 (DYS);Crystal Violet APN (CKC);Dycosbasic Methyl Violet 2B (SHC); Dycosbasic Methyl Violet 5BN (SHC);Dycosbasic Methyl Violet 6BN (SHC); Methyl Violet 5BN (WUXI,SLIE,NIEC);Methyl Violet 6BN (NIEC);Methyl Violet 6BN 347 (STIE)
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Description
C.I.Basic Violet 3
C.I.42555
CAS:548-62-9
Synonymous names:Aizen Crystal Violet (HCC);Basazol Violet 57L (DYS);Basonyl Violet 609 (DYS);Basonyl Violet 610 (DYS);Crystal Violet APN (CKC);Dycosbasic Methyl Violet 2B (SHC); Dycosbasic Methyl Violet 5BN (SHC);Dycosbasic Methyl Violet 6BN (SHC); Methyl Violet 5BN (WUXI,SLIE,NIEC);Methyl Violet 6BN (NIEC);Methyl Violet 6BN 347 (STIE)
Physicochemical Properties: Dark green glittering powder or granules. Soluble in cold and hot water (purple), readily soluble in ethanol (purple). In concentrated sulfuric acid, appears reddish-yellow, turning greenish-yellow then blue/purple upon dilution. On cotton, 10% sulfuric acid turns it greenish-yellow; acidic stannous chloride turns it dark yellow with a bluish-green ring. Dyes tannin-mordanted cotton a bright bluish-purple, redder under tungsten light.
Applications: For dyeing silk and wool (lightfastness: 1; washfastness: 2–3). Poor fastness on tannin-mordanted cotton. Also for leather, paper, grass, hemp, and manufacturing color lakes for paints, inks, and stationery. Medical use as gentian violet.
