EGTA, 100 g
Molar mass (M) 380,35 g/mol
Melting point (mp) 245 °C
CAS No. [67-42-5]
excl. VAT. | 100 g per Pack Qty.
Art. No. 3054.3
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EGTA ≥99 %, p.a.
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+. pKa calcium (pH 7): approx. 6.9
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|Appearance||white, crystalline powder|
|Assay (titr.)||≥99,0 %|
|pH value (saturated sol.)||2,6-3,0|
|Loss on drying||≤2,0 %|
|Iron (Fe)||≤0,001 %|
|Heavy metals||≤0,001 %|