| IUPAC name
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Magnesium chloride is a chemical compounds with the formula MgCl2.
Magnesium chloride will react with calcium hydroxide to give magnesium hydroxide anc calcium chloride
- MgCl2(aq) + Ca(OH)2 → Mg(OH)2 + CaCl2
Magnesium chloride is a white hygroscopic solid, soluble in water but poorly soluble in ethanol.
Magnesium chloride is available as tofu coagulant, more exactly as "Nigari flakes" or "Nigari salt".
Magnesium chloride sometimes occurs naturally as the mineral bischofite.
Magnesium chloride can be prepared by reacting hydrochloric acid with magnesium or magnesium carbonate.
- Make elemental magnesium
Magnesium chloride is deliquescent and may cause irritations