Potassium chloride in food grade colorless prismatic crystal or cube crystal or white crystalline powder; odorless; taste salty; easily soluble in water, soluble in glycerin, slightly soluble in ethanol; relative density 1.98, melting point 773. Cas: 7447-40-7 molecular formula: kcl m.w.:74.5513 property:colorless cubic crystal or white crystalline. Melting point of 770 degrees, relative density 1.984, soluble in water, slightly soluble in glycerin, slightly soluble in ethanol, insoluble in hydrochloric acid, acetone. potassium chloridespecification: item specifications purity 99.0% min. Loss on drying 1%max sodium (na) 0.5% max. Heavy metal, (as pb) 5mg/kg max. Arsenic (as) 2mg/kg max. Conclusion: the product conforms to the standard of food grade packaging:25kg net per pp woven bag with inner plastic bagstorage and transportation:during transportation and storage, must maintain shading, sealed, store in a cool, dry ventilated place.shelf life: 12 months potassium chlorideapplication used for making other potash, also used in medicine, metal heat treatment, photography and metal magnesium and complementary medicine, used as electrolyte used in the treatment of hypokalemia nutritional supplements, such as gelling agent, salt, yeast food. service we provide: 1. Before shipment, free sample for test 2. Packing as your request, with photo before shipment.