C.I.NO: C.I.Basic Violet 10
Alias: C.I. 45170; C.I. Basic Violet 10; C.I. Food Red 15; C.I. No. 45170; Rhodamine B; Basic Violet 10; Tetraethylrhodamine; Rhodamine B solution; rhodamine B for microscopy; rhodamine B (laser dye); Basic Violet 10 (C.I.); 9-(2-carboxyphenyl)-3,6-bis(diethylamino)xanthylium chloride; N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethylethanaminium chloride; Basic rose red.
Properties: bright green glittering crystalline powder, soluble in water and alcohol, soluble in cellulose, slightly soluble in acetone. When it meets concentrated sulfuric acid, it is yellowish brown with strong green fluorescence. After dilution, it turns red to blue red and orange. The aqueous solution is heated with sodium hydroxide to form a rose red fluffy precipitate.
Uses: Mainly used in the paper industry to dye wax paper, printing paper, glossy paper, colored paper, toilet paper, etc. Used in the manufacture of paints, pictures and other pigments and lakes. Used for the dyeing of acrylic fiber, hemp, silk and other fabrics and the dyeing of straw and leather products. Used for coloring plastics, sanitary incense, matches, and pesticides.
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