Name:C.I.Direct Red 14,C.I.29170
Molecular Structure: Double azo class
Molecular Weight: 852.69
CAS Registry Number:6420-42-4
Manufacturing Methods : 3-Aminobenzoic acid diazo, in acid conditions coupled with N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea, O-Anisidine diazo, in alkaline conditions and coupled product matches.
Properties and Applications: red. Soluble in water for colourful red, soluble in ethanol Reddish orange. The strong sulfuric acid to red light purple, diluted red for quality. The dye solution to join strong hydrochloric acid have article red precipitate; Add thick sodium hydroxide solution have red light orange brown precipitation.
|Standard||Acid Resistance||Alkali Resistance||Light Fastness||Soaping||Water|
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