Magnesium Chloride

Magnesium Chloride USP

MgCl2.6H2O 203.30Magnesium Chloride USPMagnesium Chloride Hexahydrate USP [CAS 7791-18-6].Magnesium Chloride Anhydrous USP95.21 [CAS 7786-30-3].

Magnesium Chloride contains not less than 98.0 percent and not more than 101.0 percent of MgCl2·6H2O.Packaging and storage— Preserve in tight containers.Labeling— Where the product is intended for use in hem dialysis, it is so labeled.Identification— A solution (1 in 20) responds to the tests for Magnesium and for Chloride/u>: between 4.5 and 7.0, in a 1 in 20 solution in carbon dioxide-free water.Insoluble matter— not more than 0.005% is found.Sulfate — A 10-g portion shows no more sulfate than corresponds to 0.50 mL of 0.020 N sulfuric acid (0.005%).Barium— Dissolve 1 g in 10 mL of water, and add 1 mL of 2 N sulfuric acid: no turbidity is produced within 2 hours.Limit of calcium— the limit is 0.01%.Potassium— Dissolve 5 g in 5 mL of water, and add 0.2 mL of sodium bitartrate TS: no turbidity is produced within 5 minutes.Aluminum (where it is labeled as intended for use in hem dialysis)— the limit is 1 µg per g.Heavy metals — the limit is 0.001%.Organic volatile impurities: meets the requirements.