Characteristic: A white crystalline powder
Identification: Conforms
Assay(on the anhydrous substance): 96.0% to 100.5%
Water: 12.0% to 15.0%
Appearance of solution: Not more than 2
PH: 3.5 to 5.5
Specific optical rotation: +280 to +305
Sulphated ash: Not more than 0.5%
Related substances: Not more than 1.0%
Microbiology
Bacterium: 20CFU
Mildew: 1CFU
Coli form  : N. D.