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Basic Geen 4

Date:Jul 19, 2019

Chinese name: alkaline green

English name: Magentagreencrystals

Chinese alias: alkaline green 4

English alias: Bismarck Green4; Basovict Malachite Green; Methylium, bis[4-(dimethylamino)phenyl]phenyl; Rifa Basic Malachite Green; Simbase Malachite Green Zn free; Tetrophene Green M; Tokyo Aniline Malachite Green.

CAS No.: 14426-28-9

Molecular formula: C23H25N2

Molecular weight: 329.46

Chemical properties

Green with flash crystals. Soluble in water, very soluble in ethanol, all in blue-green. The dye is yellow in concentrated sulfuric acid and turns dark orange after dilution; it is orange in concentrated nitric acid and orange-brown after dilution; sodium hydroxide is added to the aqueous solution to produce a white precipitate with green light. Dyeing at high temperature (120 ° C), the color shade is unchanged. Dye fastness on acrylic fibers 4-5.

Recently, many buyers have passed Alibaba, mainly used as dyes for silk, leather and paper.