Melting point 152-154 °C(lit.)
alpha D +66° (in chloroform)
Boiling point 332.25°C (rough estimate)
density 1.1450 (rough estimate)
refractive index 67.5 ° (C=1, CHCl3)
Fp 9℃
storage temp. -20°C Freezer
Chemical Properties White crystal or crystalline powder. Melting point 155.3 ℃. Soluble in acetone, soluble in methanol, ethanol, acetic acid, insoluble in benzene, practically insoluble in water. In case of light,it is color-graded, odorless, tasteless.
Uses It is a non-steroidal anti-inflammatory drug for the relief of fever and inflammation and pain associated with arthritis or other symptoms , it has anti-inflammatory, antipyretic and analgesic effects. Naproxen plays a role by inhibiting the cyclooxygenase, which generates prostaglandin and is one kind of enzymes related to inflammatory mediators .
Used in Particular Diseases Acute Gouty Arthritis: