Naphthol AS Typical Properties
Item |
Standard |
Appearance |
Light blue powder |
Assay |
99%min |
Melting point |
246.5℃min |
Alkali Insoluble |
0.15%max |
Bon Acid |
0.2%max |
Moisture |
0.5%min |
Naphthol AS Usage
- Naphthol AS is mainly used as a primer for cotton dyeing, but also as a primer for the dyeing of vinylon, viscose fiber, silk, diacetate fiber and cotton printing.
- It is often used in combination with a large red base G to dye a large red; in combination with a jujube base GBC to dye a purple sauce; in combination with an orange base GC to dye a yellowish orange; with a blue salt VB to dye blue, etc., is the most important color phenol one.
- Naphthol AS is also used to manufacture fast pigments, fast amines, fast sulfonins and organic pigments.
Naphthol AS Packaging and Shipping
Packaging Details: 20 kg cardboard box or according to customer requirements.
Port; Shanghai or other China port
Naphthol AS Storage
Avoid sunlight, humidity, high temperature, and avoid stabilizers, flame retardants or insecticides containing sulfur or halogen elements