Magnesium Carbonate Hydroxide, Pentahydrate, Ultrapure, CAS Number 56378-72-4, Molecular Weight 485.7, Chemical Formula (MgCO3)4 x Mg(OH)2 x 5H2O, Chemical Container Material Plastic, Chemical Container Type Bottle, Chemical Grade Purified, Chemical Container Size 500 g, Chemical Family Type Analytical Reagents, Shelf Life 24 mo, Shipping Restrictions Chemical Not Regulated For Transport