Naproxen Sodium

  • Product Name : Naproxen Sodium
  • Grade : IP / BP / USP
  • Therapeutic Category : NSAID
  • CAS No : 26159-34-2
  • COA : Available
  • MSDS : Available


Naproxen is a nonsteroidal anti-inflammatory drug (NSAID) of the propionic acid class (the same class as ibuprofen) that relieves pain, fever, swelling, and stiffness. It is a nonselective COX inhibitor, usually sold as the sodium salt.

Naproxen is commonly used to reduce pain, fever, inflammation, and stiffness caused by conditions such as migraine, osteoarthritis, kidney stones, rheumatoid arthritis, psoriatic arthritis, gout, ankylosing spondylitis, menstrual cramps, tendinitis, and bursitis. It is also used to treat primary dysmenorrheal.


Item Standard(USP31)
Appearance White to almost white crystalline powder
Infrared absorption The infrared absorption spectrum is concordant with the reference spectrum
Ultraviolet absorption Absorptivities at 272nm, calculated on the dried base, do not differ by more than 3%
Specific rotation -17.0°~ -15.3°
Loss on drying ≤1.0%
Heavy metals ≤0.002%
Free Naproxen ≤1.0%
Impurity D( in house) ≤0.10%
Impurity E( in house, Impurity C in EP) ≤0.10%
Any other impurity ≤0.10%
Total impurities ≤1.0%
Toluene ≤50ppm
Methanol ≤50ppm
Hthanol ≤100ppm
Assay( On the dried basis ) 98.0%~102.0%

Packaging details:

Packaging details: 25kg/drum with double plastic bags inside; packed in a cardboard drum or fiber HDPE drum.
Storage: Stored in a clean, cool, dry area; keep away from moisture and strong, direct light/heat
Shelf Life: 5 years if sealed and store away from direct sun light.

Additional Information

The most widely recognized markets for this item incorporate the accompanying nations. If you don’t mind ask with us if your nation or district isn’t recorded:

ASIA: Afghanistan, Israel, Jordan, Pakistan, Russia, Saudi Arabia, Singapore, Syria, Philippines, Turkey, Turkmenistan, Uzbekistan, Yemen, Vietnam, Indonesia, Malaysia, Iran, Tajikistan, and so forth.

AFRICA: South Africa, Uganda, Nigeria, Ghana, Kenya, Mauritius, Botswana, Egypt, Ethiopia, Libya, Sudan, Congo, Gambia, Ivory Coast , and so forth.

NORTH & SOUTH AMERICA: USA, Canada, Panama, Trinidad and Tobago, Costa Rica, Puerto Rico, Dominican Republic, Argentina, Guatemala, Guyana, Peru, Bolivia, Venezuela , Brazil, Bahamas, Ecuador, and so forth .

EUROPE: Austria , Azerbaijan, Belarus, Belgium, Cyprus, Czech Republic, Denmark, France, Georgia, Germany, Hungary, Ireland, Iceland, Netherlands, Norway, Poland, Spain, Sweden, Switzerland, Ukraine, United Kingdom (UK) , Latvia, and so forth.

OCEANIA: Australia, New Zealand, Fiji, and so forth.