Safety Information

WGK Germany 

3

MSDS

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REACTIVE BLUE 5 Usage And Synthesis

Preparation

1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and 2,4-Diaminobenzenesulfonic acid condensation, again with 2,4,6-Trichloro-1,3,5-triazine condensation, and finally between 3-Aminobenzenesulfonic acid condensation, and salting-out.

Properties and Applications

bright blue. Dark blue powder, the strong sulfuric acid for blue purple, diluted into blue; In nitric acid for yellow brown, diluted becomes shallow brown. Dyes red GuangYan water solution is blue, with 1 Moore sodium hydroxide solution for bright blue, continue to join insurance powder and warm, to orange brown, before joining a boric acid sodium is still orange brown. Used for cotton, viscose, wool, silk, polyamide fiber dyeing and printing, and can also spread dye with bath dyeing polyester/cotton blended fabric.

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