C6H7KO2 M.W. 150.22 10 kg Assay 99.0-101.0% Identity passes test Appearance of solution passes test Loss on drying (105oC) max 1.0% Acidity and alkalinity passes test Aldehydes (CH3CHO) max 0.15% Heavy metals(as Pb) max 0.001% Arsenic(as As) max 0.0002%