Name:C.I.Direct Yellow 2,C.I.23640
Molecular Structure: Double azo class
Molecular Weight: 554.46
CAS Registry Number:6459-95-6
Properties and Applications: yellow. Yellow powder. Soluble in water and ethanol is yellow. The strong sulfuric acid to red light purple, diluted for shallow lemon yellow. The dye solution to join strong hydrochloric acid for olive yellow, precipitation; Add thick sodium hydroxide solution for orange, precipitation. Used for the cellulose fibre and wool dyeing, discharge the gender is good.
|Standard||Acid Resistance||Alkali Resistance||Light Fastness||Soaping||Water|
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