NaturChem Barcelona

Benzyl Penicillin Potassium

Characters A white or almost white crystalline powder
Identification Meet the requirements
Solubility Very soluble in water, practically insoluble in fatty oils and in liquid paraffin
pH 5.5   ̴ 7.5
Absorbance At 280 nm: ≤ 0.10
  At 264 nm: 0.80   ̴ 0.88
  At 325 nm: ≤ 0.10
Loss on drying ≤ 1.0%
Specific optical rotation +270°   ̴ +300°
Content of penicillin G potassium 96.0%   ̴ 102.0%
Related substances  
Any other impurities ≤ 1%
Sterility Sterile
Bacterial endotoxins < 0.161UI/ml
Residual solvents   
-        Ethyl acetate ≤ 5000ppm
-        n-Butanol ≤ 5000ppm
Potency (on wet basis) 1582u/mg

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