8,16-Pyranthrenediol, tribromo-, bis(hydrogen sulfate), disodium salt химические свойства, назначение, производство
Подготовка
(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.
Свойства и приложения
red light orange.
|
Standard
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Ironing Fastness
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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
|
|
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8,16-Pyranthrenediol, tribromo-, bis(hydrogen sulfate), disodium salt препаратная продукция и сырье
сырьё
препарат