Appearance White Powder Or Free-Flowing Granules; Solubility Slightly in alcohol, easily in water Identification The Infrared Absorption Spectrum Of The Preparation Of The Test Specimen Exhibits Max Only At The Same Wvelength As That Of A Similar Preparation Of The Corresponding Usp Ref. Standard Conductivity Not more than 20μS ? cm-1 Clarity <1# CLARITY SOLUTION Color of solution Clear and colorless Particle size 80mesh As 1.0ppm max Assay 96.0-101.5% Melting point 164-169℃ Acidity Not more than 0.30ml of 0.020 N Sodium Hydroxide is required for Neutralization Loss on drying 0.3% max Sulphated ash 0.1% max Specific rotation 137°-145° Reducing sugar Not more than Very slight precipitate is formed