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Naproxen Sodium

(S)-6-Methoxy-α-methyl-2-naphthaleneacetic acid sodium salt

Purity / Analysis Method 98.0 – 102.0% (Titration by HClO4)
Molecular Formula / Molecular Weight C14H13NaO3 = 252.24
Physical State (20 deg.C) Solid
CAS RN 26159-34-2
Unit Price
25 g 2400
50 g 3975
100 g 5250
Appearance White Powder
Purity / Analysis Method  100.0 % (Titration by HClO4)
Free Naproxen ≤ 1.0 %
Specific Rotation (c = 5, 1 N NaOH)  -15.3 to -17.0 °
Melting Point 259-262 °C
Loss On Drying ≤ 1.0 %
Solubility Soluble in Methanol, Chloroform; Slightly soluble in Ether
Note

• Pharmaceutical Ingredients (for Research and Experimental Use) is provided as delivered and specified by the issuing Pharmacopoeia.
• The contents of the specifications are subject to change without advance notice. The specification values displayed here are the most up to date values. There may be cases where the product labels display different specification; however, the product quality still meets the latest specification.