What is the composition of the QIAGEN 10x PCR Buffer in Taq- and HotStarTaq DNA Polymerase Kits?

QIAGEN's 10x PCR Buffer provided in the Taq DNA Polymerase, Taq PCR Core, and HotStarTaq DNA Polymerase Kits contains:

• Tris-Cl
• KCl
• (NH₄)₂SO₄
• 15 mM MgCl₂ ; at pH 8.7 (20°C).

Note that further details on the composition of the 10x PCR Buffer are proprietary.