8,16-Pyranthrenediol, tribromo-, bis(hydrogen sulfate), disodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
(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 Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte