Magnesium Chloride Hexahydrate Grade: Food grade Purity: 46% Packing: 25kg/50kg /1000kg bag Origin: Shandong, China Specification: TEST ITEM TEST STANDARD % MGNESIUM CHLORIDE % â?¥46.00 SODIUM CHLORIDE % 1.50 POTASSIUM CHLORIDE% 0.07 CALCIUM CHLORIDE% 1.00 SULFATE ION 3.00WT