Email this pagePrint this page Magnesium Carbonate - Blocks Go back to: Chemical Reagents, pH Indicators and Biological Stains Product Code: C2018 CAS# 39409-82-04MgCO“½Mg(OH)’½nH’O Hazard Rating4-Extreme 3-Severe 2-Moderate 1-Slight 0-Minimal Health1 Flammability0 Reactivity0 56 grams$20.78 each 12 x 56 grams$13.85 each 454 grams$60.14 each 12 x 454 grams$40.09 each 3-D Molecule Model of Magnesium Carbonate Hydroxide : From the ChemExper Chemical Directory MSDS for Magnesium Carbonate - Blocks