Basic orange 2
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Basic orange 2
C.I.Basic Orange 2
C.I.11270
CAS:532-82-1
Synonymous names：Apollo Basic Chrysoidine (THC);Astra Chrysoidine R (DYS);Basazol Orange 03P (DYS);Basazol Orange 03LD (DYS);Basic Orange (NJC);Chrysoidine (NIEC);Chrysoidine Crystals (STIE,HEB,JIAN, WUXI);Chrysoidine Y (CKC);Concordaryl Chrysoidine (IHWA);Dycosbasic Chrysoidine (SHC);Nippon Kagaku Chrysoidine (KKK)
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Description
C.I.Basic Orange 2
C.I.11270
CAS:532-82-1
Synonymous names:Apollo Basic Chrysoidine (THC);Astra Chrysoidine R (DYS);Basazol Orange 03P (DYS);Basazol Orange 03LD (DYS);Basic Orange (NJC);Chrysoidine (NIEC);Chrysoidine Crystals (STIE,HEB,JIAN, WUXI);Chrysoidine Y (CKC);Concordaryl Chrysoidine (IHWA);Dycosbasic Chrysoidine (SHC);Nippon Kagaku Chrysoidine (KKK)
Physicochemical Properties: Shiny brownish-red crystalline blocks or granules. Melting point: 118–118.5°C. Soluble in water (yellowish-orange), ethanol, and Cellosolve; sparingly soluble in acetone; insoluble in benzene. In concentrated sulfuric acid, appears yellow, turning orange upon dilution; orange in nitric acid. Aqueous solutions yield reddish-brown precipitates with sodium hydroxide. Dyes tannin-mordanted cotton a yellowish-orange, brighter under tungsten light.
Applications: For dyeing silk, acrylic, wool, and tannin-mordanted cotton (poor fastness on wool/cotton). Also for direct and discharge printing, as well as coloring leather, paper, feathers, grass, wood, and bamboo.
