Oxiracetam

Appearance: White crystalline powder Assay: 99% min.(HPLC) Identification: 1) Solve 10mg of Oxiracetam into 2ml of water, add potassium permanganate solution and sodium hydroxide solution, one drop for each, the solution turns from purple to blue, till green. 2) Solve 10mg of Oxiracetam with one drop of hydrochloric acid, steam boiling water bath, Add test solution of potassium iodate and 5% potassium iodide solution, one drop for each, the solution appears brown, add one drop of starch indication solution, the solution appears blue. 3) IR absorption spectrum of this product conforms with the standard one. Solution clarity: Take 1.0 g of this product, use 10ml of newly-boiled cold water to solve it, the solution is clear. Melting point: 166-169ºC Loss on drying: 0.5%max Residue on ignition: 0.1%max Heavy metals: 20ppm max Chloride: 0.014%max Related substances: 0.5%max Package: 25kg/ fibre drum