[2,2'-Bibenzo[4,5]phenaleno[1,9-bc]thiophene]-5,5'-diol, bis(hydrogen sulfate), disodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
(a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Blue 7 leuco; (b) in the Pyridine with metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate, etc.) processing C.I. Vat Blue 7. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.
Properties and Applications
deep green light blue.
Standard
|
Ironing Fastness
|
Chlorine bleach
|
Light Fastness
|
Mercerized
|
Oxygen bleach
|
Soaping
|
Fading
|
Stain
|
ISO
|
4
|
4
|
6-7
|
4
|
3-4
|
4-5
|
5
|
AATCC
|
5
|
4
|
6-7
|
4
|
4
|
|
|
[2,2'-Bibenzo[4,5]phenaleno[1,9-bc]thiophene]-5,5'-diol, bis(hydrogen sulfate), disodium salt Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte