Direct Orange 39
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Direct Orange 39
C.I.Direct Orange 39
C.I.40215
CAS:1325-54-8
Synonymous names:Derma Orange 2GL 200 (CLAR);Diazol Orange 2JL (DYS);Everdirect Supra Orange 2GL (ECI); Kayafect Orange G (KYK);Kayarus Supra Orange 2GL (KYK);Levacell Fast Orange GGL (DYS);Sirius Supra Orange GGL-V (DYS);Solar Orange 2GL (CLAR);Sumilight Supra Orange 2GL (NSK);Superlitefast Orange EGLL RT (CKC);Tertrodirect Light Orange 2GL (CKC)
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Description
C.I.Direct Orange 39
C.I.40215
CAS:1325-54-8
Synonymous names:Derma Orange 2GL 200 (CLAR);Diazol Orange 2JL (DYS);Everdirect Supra Orange 2GL (ECI); Kayafect Orange G (KYK);Kayarus Supra Orange 2GL (KYK);Levacell Fast Orange GGL (DYS);Sirius Supra Orange GGL-V (DYS);Solar Orange 2GL (CLAR);Sumilight Supra Orange 2GL (NSK);Superlitefast Orange EGLL RT (CKC);Tertrodirect Light Orange 2GL (CKC)
Physicochemical Properties: Reddish-brown powder. Soluble in water (golden orange), slightly soluble in ethanol. In concentrated sulfuric acid, it appears dark blue, turning golden orange upon dilution. The dye solution forms yellowish-olive precipitates with hydrochloric acid and brownish-orange precipitates with sodium hydroxide. Slightly sensitive to hard water.
Applications: Mainly used for dyeing and printing viscose and rayon fabrics. Suitable for direct printing and discharge printing. Also used for silk dyeing with acetic acid or formic acid. Can be combined with disperse dyes for polyester/viscose blends. Suitable for paper and leather coloring.
