Ethylenediamine tetraacetic acid disodium salt dihydrate, 250 g
Molar mass (M) 372,24 g/mol
Melting point (mp) 110 °C
CAS No. [6381-92-6]
Application: Stock solution: 0.5 M in water, pH 8.5. Recommended final concentration for enzyme inhibition 1–10 mM. The disodium salt of EDTA only dissolves when the pH-value is around 8.0.
excl. VAT. | 250 g per Pack Qty.
Art. No. 8043.1
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Ethylenediamine tetraacetic acid disodium salt dihydrate ≥99 %, p.a., ACS
EDTA forms chelate complexes with Mg2+-ions and other bivalent metal cations. It can therefore be applied as a general inhibitor for all enzymes which require such metal cations to function (e.g. DNases and metal proteases).
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|Assay (compl.)||≥99 %|
|pH value (5 % in H2O)||4,0-5,0|
|In H2O insoluble matter||≤0,005 %|
|Chloride (Cl)||≤0,01 %|
|Sulphate (SO4)||≤0,02 %|
|Lead (Pb)||≤0,0005 %|
|Calcium (Ca)||≤0,002 %|
|Iron (Fe)||≤0,0005 %|
|Copper (Cu)||≤0,0001 %|
|Nickel (Ni)||≤0,0005 %|
|Heavy metals (as Pb)||≤0,001 %|
|Nitrilotriacetic acid||≤0,05 %|