Name:C.I.Direct Red 18,C.I.22280
Molecular Structure: Double azo class
Molecular Weight: 714.57
CAS Registry Number:6548-26-1
Properties and Applications: red red to blue light. Slightly soluble in water for pink, soluble in ethanol, insoluble in other organic solvents. The strong sulfuric acid to red light purple, orange for diluted. The dye solution with strong hydrochloric acid is palm red light, precipitation; Add thick sodium hydroxide solution have yellow precipitation.
|Standard||Acid Resistance||Alkali Resistance||Light Fastness||Soaping||Water|
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Paramine Fast Bordeaux B ( Holliday L B & Co Ltd )