Refined Naphthalene is colorless glossy monoclinic crystal. Combustible. The smell of mothballs is also quite volatile at room temperature and can sublimate.

Test items Specifications Results
Appearance Colorless single inclined crystal with luster,white with flakes Conforms
Purity ≥99.0% 99.33%
Non-volatile matter ≤0.02% 0.01%
Ash ≤0.006% 0.001%
Crystallizing Point 79.7-79.8°C 79.8°C
Melting Point 79-83°C 80.2°C
Boiling Point 217-221°C 218°C
Flash Point 78-79°C 78.85°C
Conclusion The product conforms to standard.

Usage

As basic chemical raw materials, it is mainly used for the production of phthalic anhydride, various naphthol, naphthylamine, etc., and is the raw material for the production of synthetic resins, plasticizers, rubber antioxidants, surfactants, synthetic fibers, dyes, coatings, pesticides, medicines and spices.