dye|World dye variety

Name:C.I.Direct Red 14,C.I.29170

Molecular Structure: Double azo class

C.I.Direct Red 14,C.I.29170,CAS 6420-42-4,852.69,C35H23N6Na3O12S2

Molecular Formula:C₃₅H₂₃N₆Na₃O₁₂S₂

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.

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