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

Dibenzo[def,mno]chrysene-6,12-diol, diethoxy-, 6,12-bis(hydrogen sulfate), sodium salt (1:2) Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  (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.
  

  Standard	Ironing Fastness	Chlorine bleach	Light Fastness	Mercerized	Oxygen bleach	Soaping
  						Fading	Stain
  ISO	4-5	4-5	6-7	4-5	5

Dibenzo[def,mno]chrysene-6,12-diol, diethoxy-, 6,12-bis(hydrogen sulfate), sodium salt (1:2) Upstream-Materialien And Downstream Produkte

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