Magnesium chloride (magnesium chloride, magnesium chloride, magnesium salt of hydrochloric acid, E511) — colorless crystals.
Magnesium chloride is mainly used in the production of magnesium metal, MgCl2·6H2O is used to produce magnesia cements.
It is used for processing ice and snow cover. As a result of the reaction with snow, it causes it to melt.