Dibenzo[def,mno]chrysene-6,12-diol, diethoxy-, 6,12-bis(hydrogen sulfate), sodium salt (1:2) Chemical Properties

EPA Substance Registry System

Dibenzo[def,mno]chrysene-6,12-diol, diethoxy-, bis(hydrogen sulfate), disodium salt (1324-23-8)

Dibenzo[def,mno]chrysene-6,12-diol, diethoxy-, 6,12-bis(hydrogen sulfate), sodium salt (1:2) Usage And Synthesis

Preparation

(a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Violet 7 leuco; (b) in the Pyridine with metal (such as copper, iron, catalpa, etc.) and Sulfur trioxide source (such as Sulfur trioxide, chlorosulfonic acid or chlorosulfonic acid methyl ester, etc.) processing C.I. Vat Violet 7. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.

Properties and Applications

purple.

Dibenzo[def,mno]chrysene-6,12-diol, diethoxy-, 6,12-bis(hydrogen sulfate), sodium salt (1:2)(1324-23-8)Related Product Information

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• Vat Violet 1, Solubilised
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