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 CAS: 16712-64-4
Use: The product can be used as important organic intermediate for engineering plastic, organic pigment and liquid crystal material, especially as monomer for temperature resistant synthetic material.
National Standard: GB/T 23671-2009 Provision: Physicochemical property: The product is white to light yellow powder (superior product), light yellow to light brown powder or lump (qualified product), melting point≥245°C, soluble in ethyl alcohol, ethyl ether, benzene, trichloromethane, slightly soluble in hot water, poorly soluble in cold water.
Quality Index
| ITEM |
SPECIFICATION |
TEST METHOD |
| Purity(%) |
99.5% MIN |
HPLC |
| 2,3-HNA(%) |
0.05 MAX |
HPLC |
| 2-Naphthol(%) |
0.1 MAX |
HPLC |
| Melting Point(°C) |
245-247 |
Digital Melting
Apparatus |
| Moisture(%) |
0.1 MAX |
Baking Oven |
| Bulk Density(Kg/L) |
0.48 MIN |
Gravimetry |
| Sulfer(PPM) |
50 MAX |
Sulfur Analyzer |
| Insolubles (PPM) |
50 MAX |
Gravimetry |
| Color(APHA) |
50 MAX |
Colourimetry
1g in 50ml Methanol |
| K (PPM) |
10 MAX |
AAS |
| Na (PPM) |
10 MAX |
AAS |
Packing: 25KG fiber drum lined with plastic bag or by ton bag. |
