BASIC BLUE 4 Chemical Properties

CAS DataBase Reference

55840-82-9

EPA Substance Registry System

C.I. Basic Blue 3 (55840-82-9)

BASIC BLUE 4 Usage And Synthesis

Chemical Properties

Bronze uniform powder. Soluble in water and ethanol, green light blue. Dyeing at high temperature (120℃), the shade is greener. When dyeing, the color of copper ions turns green, and the color of iron ions is dim.

Uses

Basic blue 4 is mainly used for color matching of acrylic fiber strips and acrylic wool yarns, with bright color and good levelness.

Synthesis

Using m-hydroxy-N,N-diethylaniline as the basic raw material, after methylation, nitrosation, ring-forming condensation, adding zinc chloride to form salt, filtering and drying to obtain Basic blue 4.

BASIC BLUE 4(55840-82-9)Related Product Information

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