Direct Brown 223 химические свойства, назначение, производство
Подготовка
4-Amino-N-(4-aminophenyl)benzamide double nitriding,first coupled with 2-Hydroxybenzoic acid
, and then in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? coupling.
Свойства и приложения
brown
|
Standard
|
Acid Resistance
|
Alkali Resistance
|
Light Fastness
|
Soaping
|
Water
|
|
Fading
|
Stain
|
Fading
|
Stain
|
|
ISO
|
3
|
5
|
4-5
|
3-4
|
2
|
4
|
3
|
Direct Brown 223 препаратная продукция и сырье
сырьё
препарат