C.I.Acid Yellow 36
C.I.13065
CAS:587-98-4

Synonymous names:Acid Yellow Metanilic (CLR);Basacid Yellow 232 (BASF);Dinacid Metanil Yellow (DNT);Dyacid Yellow M (HAYS);Metanil Yellow (COLR);Metanil Yellow 23035 (WSS);Metanil Yellow R (GOL);Paper Metanil Yellow P (CHR);Sandolan Yellow E-MY (CLAR);Shikiso Metanil Yellow (KKK)

Physicochemical Properties: Yellow powder. Highly soluble in water, ethanol, ether, benzene, and ethylene glycol monoethyl ether; slightly soluble in acetone. In sulfuric acid, it turns purple, yielding a red precipitate upon dilution. Nitric acid produces a blue-to-orange transition. Aqueous solutions form red precipitates with hydrochloric acid and yellow precipitates with excess sodium hydroxide. Good dischargeability.

Applications: Primarily for soap coloring and wool dyeing in strong acid baths. Also for leather dyeing, paper coloring, and producing color lakes, coatings, wood stains, biological stains, pharmaceuticals, and cosmetics.