Magnesium chloride solution, 25 mM, sterile, for molecular biology, 1 mlMagnesium chloride solution, 25 mM, sterile, for molecular biology, Molar mass (M) 95,22 g mol, Density (D) 1,003 g cm, Boiling point (bp) ~100 C, Storage temp. +4 C, Empirical formula MgCl2 Sterile In a PCR reaction, cofactors such as divalent cations (MgCl2) are needed for an optimal process. Magnesium interacts with the DNA template, dNTPs and the polymerase in a PCR reaction. The MgCl2 concentration influences the productivity and accuracy of the