C.I.Acid Red 14
C.I.14720
CAS:3567-69-9

Synonymous names:Acid Red 2B (CLR);Atul Acid Crystal Red A (AP);Basovit Red 440 E (BASF);Carmoisine 36011 (AI);Carmoisine GDC (GOL);Carmoisine S (KCA);Carmoisine WS (GOL);Daiwa Carmoisine (KKK);Dinacid Crystal Red A (DNT); Puri Color Red ARE14 (CIBA)

Physicochemical Properties: Dark red powder. Highly soluble in water and ethanol (red); slightly soluble in acetone. In sulfuric acid, it appears purple, yielding a magenta precipitate upon dilution; deep red in nitric acid, turning reddish-yellow. Aqueous solutions turn red with hydrochloric acid and reddish-orange-brown with sodium hydroxide. Good leveling.

Applications: For wool dyeing in strong acid baths and printing on wool, nylon, and silk. Its barium salt serves as an organic pigment; also for color lakes, ink, leather, paper, soap, wood, electroplated aluminum, pharmaceuticals, biological staining, and cosmetics.