EINECS: 247-486-2
Molecular Formula: C₁₄H₁₃O₃.Na
Synonyms: 2-Naphthaleneaceticacid, 6-methoxy-a-methyl-, sodiumsalt, (S)-; 2-Naphthaleneacetic acid, 6-methoxy-a-methyl-, sodium salt, L-(-)- (8CI); (2S)-2-(6-Methoxy-2-naphthyl)propanoic acid sodium salt; Aflaxen; Agilxen; Aleve; Anaprox; Anaprox DS; Apranax; Apraxin; Dafloxen; Duk-F; Flanax; Flanax Forte; Gynestrel; Lefaine; Licorax; Miranax; Naprelan; Naprogesic;
Appearance: white powder
Molecular Weight: 252.24
Boiling Point: 403.9 °C at 760 mmHg
Melting Point: 250-251℃
Flash Point: 154.5 °C
Solubility: Slightly soluble in ether; soluble in methanol, chloroform Soluble in 25 parts ethanol (96%), 20 parts methanol, 15 parts chloroform, 40 parts ether. Practically insoluble in water Practically insoluble in water and freely soluble in alcohol. In water, 15.9 mg/L at 25 deg C
Biological Activity: Non-selective cyclooxygenase (COX) inhibitor that displays anti-inflammatory, antipyretic and analgesic effects. Has a neuroprotective role against colchicine-induced cognitive impairment and oxidative stress.
Usage:  Naproxen sodium (CAS NO.26159-34-2) is a non-steroidal anti-inflammatory drug commonly used for  fever, inflammation the reduction of moderate to severe pain,and stiffness caused by conditions such as psoriatic arthritis, gout, ankylosing spondylitis,osteoarthritis, rheumatoid arthritis,  and the treatment of primary dysmenorrhea.