Colorless monocline crystal or white crystal Magnesium Nitrate Molecular Formula: Mg(NO3)2.6H2O Molecular Weight: 256.41 Physicochemical Property: Colorless monocline crystal or white crystal, most steady with hexa-hydrate under the normal atmospheric temperature, hexa-hydrates are extremely apt to dissolve in water, liquid ammonia, methyl alcohol, ethanol, and it is easy to deliquesce. Dehydrate ...