Assay: 99%
Appearance: Off-white powder
Capacity: 10000MT per year
Packaging: 25kg Woven bag
Sample: available
related documents:
- COA of Naphthol AS 92-77-3
- TDS of Naphthol AS 92-77-3
Naphthol AS Cas 92-77-3
Description
Naphthol AS quick Details
Chemical Name: Naphthol AS
Synonyms: 3-Hydroxy-N-phenyl-2-naphthalenecarboxamide; 3-Hydroxy-2-naphthanilide; Azoic Coupling Component 4; Dycosthol AS; 2-Hydroxy-3-naphthanilide
CAS No.: 92-77-3
Molecular Formula: C17H13NO2
Naphthol AS Structure:
Molecular weight: 263.29
Appearance: Off-white powder
Assay: 99%
Naphthol AS Typical Properties
| Item | Standard |
| Appearance | Off-white 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
Phenol AS is mainly used as a primer for cotton dyeing. It is also used as a primer for vinylon, viscose, silk, diacetate and cotton printing. Often mixed with large red base G dyed red; with reddish-based GBC dyed purple sauce; with orange-based GC combined with yellow orange; with blue salt VB combined with blue, is one of the most important phenol . Chromool AS is also used in the manufacture of fast pigments, fast amines, fast sulfonates and organic pigments.
Naphthol AS Packaging and Shipping
Packaging Details:20 kg cardboard box or according to customerrequirements.
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