Magnesium Chloride (Certified 51 Percent w/v) Aqueous Solution Concentration 51 Percent w/v CAS Number 7732-18-5 7791-18-6 APHA 413 B Chemical Container Material Plastic Chemical Container Type Bottle Chemical Grade ACS Chemical Container Size 4L Chemical Family Type Standards and Solutions Shelf Life 24 mo. Standards ASTM D 2036 A EPA 335.2 EPA SW-846 9010B