S.NO. Experiment Property Observation 1 Organoleptic Properties Colour Odour Taste Appearance White Powder Odorless Bitter Crystalline Powder 2 Solution Properties Solubility 3 mg/ml in water 3 Melting Point - 156°C-161°C 4 Micromeritical Properties Bulk density Tapped density Compressibility index Hausner ratio Angle of repose 0.658 g/ml 0.781 g/ml 15.789% 1.188 23.070°

Table 7: Observed properties of active pharmaceutical ingredient, Aspirin.