Basic Dyes Cosmetic Intermediates Basic Red 2 CAS 477-73-6 Dyes And PigmentsRedox Indicators

Introduction:

It is red when dissolved in water and red (red fluorescence with yellow light) when dissolved in ethanol. It is green in concentrated sulfuric acid, blue after dilution, and turns to red. Its aqueous solution produces a brown-red precipitate when sodium hydroxide is added, and blue-purple when hydrochloric acid is added.

Uses:

Basic pink is mainly used for paper coloring and the preparation of organic pigments. It can also be used for dyeing acrylic fiber, silk, bamboo and wood products. Redox indicator; biological dyeing; acid-base indicator; spot analysis of nitrite. Detergent, denaturant, cell lysis.

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