disodium 4,10-dibromodibenzo[def,mno]chrysene-6,12-diyl bis(sulphate) Chemical Properties

EPA Substance Registry System

Dibenzo[def,mno]chrysene-6,12-diol, 4,10-dibromo-, bis(hydrogen sulfate), disodium salt (10290-03-6)

disodium 4,10-dibromodibenzo[def,mno]chrysene-6,12-diyl bis(sulphate) Usage And Synthesis

Preparation

(a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Orange 3 leuco ; (b) used in Pyridine metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate) processing C.I. Vat Orange 3. The above two kinds of circumstances are through with alkali, filter out the insoluble,, remove Pyridine and salting-out.

Properties and Applications

red light orange. Mainly used for the cotton fabric dyeing and printing, printing, and can be directly dyed printing or white printing, also can be used for polyester/cotton blended fabric dyeing and printing, but also in viscose, PVA, silk dyeing and printing.

disodium 4,10-dibromodibenzo[def,mno]chrysene-6,12-diyl bis(sulphate)(10290-03-6)Related Product Information

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