EDTA bound to a metal ion in solution

Ethylenediaminetetraacetic acid (EDTA) (disodium salt dihydrate)

Locks up metal ions in solution which inactivates enzymes (such as nucleases) that depend on these metal ions to function.

Safety

Brief note: Low risk. Skin and eye irritant. May be combustible. LD₅₀: 30 mg/kg 0.003% (Mouse)

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