... white or yellowish-white, fine crystalline powder Standard: BP2007,USP30,EP5Appearance: White to greyish-white or yellowish-white, ... 0-153.0 Deg. CPH: 4.50-7.50 (USP30)Specific optical rotation: +17.00 Deg. to +20.00 ... Deg. (USP30) +18.50 Deg. to +20.50 Deg. (BP2007, ... 10% max (BP2007,EP5)Assay: 97.00-103.00% (USP30) 98.00-102.00% (BP2007,EP5)Packing: 25kg / drum ...