8,16-Pyranthrenediol, tribromo-, bis(hydrogen sulfate), disodium salt

8,16-Pyranthrenediol, tribromo-, bis(hydrogen sulfate), disodium salt 화학적 특성, 용도, 생산

• 제조 방법

  (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Orange 4 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 4. 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.
  

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

8,16-Pyranthrenediol, tribromo-, bis(hydrogen sulfate), disodium salt 준비 용품 및 원자재