Magnesium chloride

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Magnesium chloride
Names
IUPAC name
Magnesium chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Magnesium chloride is a chemical compounds with the formula MgCl2.

Properties

Chemical

Magnesium chloride will react with calcium hydroxide to give magnesium hydroxide anc calcium chloride

MgCl2(aq) + Ca(OH)2 → Mg(OH)2 + CaCl2

Physical

Magnesium chloride is a white hygroscopic solid, soluble in water but poorly soluble in ethanol.

Availability

Magnesium chloride is available as tofu coagulant, more exactly as "Nigari flakes" or "Nigari salt".

Magnesium chloride sometimes occurs naturally as the mineral bischofite.

Preparation

Magnesium chloride can be prepared by reacting hydrochloric acid with magnesium or magnesium carbonate.

Projects

  • Make elemental magnesium

Handling

Safety

Magnesium chloride is deliquescent and may cause irritations

Storage

Disposal

References

Relevant Sciencemadness threads