8,16-Pyranthrenediol, tribromo-, bis(hydrogen sulfate), disodium salt 化学特性,用途語,生産方法
製造方法
(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 上流と下流の製品情報
原材料
準備製品