Molar mass of Magnesium chloride
The molecular formula of Magnesium chloride is MgCl2, giving a molar mass of 95.205 g/mol.
Molar mass
95.205g/mol
Computed from the formula with the IUPAC conventional atomic weights (abridged, 2021 edition).
Formula
MgCl2
Category
Common Salts
Atoms per molecule
3
Magnesium chloride conversions
Mass ↔ amount and solution conversions derived from the stored molar mass of 95.205 g/mol.
1 mmol95.205 mg
1 g10.5037 mmol
1 M95.205 g/L
About Magnesium chloride
A source of the Mg²⁺ cofactor that every DNA polymerase needs, so PCR master mixes typically contain 1.5–2 mM. Its hydrated forms are harvested from brines; the anhydrous salt is used as a desiccant and in Ziegler–Natta catalysts.
Related compounds
Other entries in Common Salts.
Aluminium chlorideAlCl3 · 133.332 g/molAmmonium chlorideNH4Cl · 53.489 g/molAmmonium sulfateN2H8O4S · 132.134 g/molCalcium carbonateCaCO3 · 100.086 g/molCalcium chlorideCaCl2 · 110.978 g/molCalcium sulfateCaSO4 · 136.134 g/molCopper(II) sulfateCuSO4 · 159.602 g/molIron(II) sulfateFeSO4 · 151.901 g/molIron(III) chlorideFeCl3 · 162.195 g/molMagnesium sulfateMgSO4 · 120.361 g/molPotassium bicarbonateKHCO3 · 100.114 g/molPotassium carbonateK2CO3 · 138.204 g/mol