EGTA ≥99 %, p.a.

Ethylene glycol bis(β-aminoethylether) tetraacetic acid, Titration complex VI

Empirical formula C₁₄H₂₄N₂O₁₀
Molar mass (M) 380,35 g/mol
Melting point (mp) 245 °C
WGK 1
CAS No. [67-42-5]
EG-Nr. 200-651-2

 

Unspecific protease inhibitor highly similar to EDTA. Inhibition results from chelating of calcium and magnesium ions leading to their removal from the surrounding medium. However, affinity to calcium²⁺ is much higher than that to magnesium²⁺. The inhibitory effect can be compensated by an excess of calcium²⁺ or magnesium²⁺. pK_a calcium (pH 7): approx. 6.9