Specifications: description : white to pale white crystalline powder solubility : freely soluble in water, slightly soluble in ethanol(96%) and in methanol water by kf : between 11.0 to 16.5% menadione : between 50 to 55.0% assay (msb) : not less than 94.0% (dried substance) usage: synthetic vitamin k analogue and blood coagulant packing: 25kg fiber drums storage: preserve in well-closed, light resistant containers expiry: 1 year from the date of production.