Product name:Basic Red 1
CAS:989-38-8
Molecular Formula:C28H31ClN2O3
Formula Weight:479.01
Description:Basic Red 1 is dark green and fuchsia flash crystal. Dissolved in water, it has a scarlet color with green fluorescence. Soluble in ethanol is red with yellow fluorescence. Yellow in concentrated sulfuric acid and red in dilution. Its aqueous solution is added with sodium hydroxide to produce scarlet precipitate.
Basic Red 1 was prepared from 3-ethanolophenol and phthalic anhydride by condensation and esterification with ethanol.
Basic Red 1 is suitable for dyeing silk and direct printing of silk fabrics. Generally used in neutral, acid direct dye multicolor overprint as an ornament color, do not print large, medium block surface pattern. Used for dyeing wool, cotton fiber, color fastness is poor. Basic Red 1 is used for coloring leather, paper, and organic pigments.
Specification:25g
Bright bluish-pink crystals or reddish purple powder.
Insoluble in water.When heated to decomposition Basic Red 1 emits very toxic fumes.