English name: EDTA-2Na; Ethylenediaminetetraacetic acid disodium salt; 1,2-Ethanediylbis [N- (carboxymethyl) glycine] disodium salt; Titriplex III; Complexone III; Chelaplex III; Idranal III; Chelaton III Other Names: Tetraacetic acid diaminoethylene disodium salt; Torilong B; Aminocarboxyl complexing agent III; Chelating agent III; Complexing ketone II; Disodium EDTA Level: Biothnology grade Content: ≥99.0% pH (5% water, 25 ℃): 4.0 ～ 6.0 Clarity test: qualified Loss on drying: 8.7 ～ 11.4 Iron: ≤0.01% Heavy metals: ≤0.005% Properties: white crystalline powder. Soluble in water, slightly soluble in ethanol. The pH of its aqueous solution is about 5.3. Melting point 252 ° C (decomposition). Low toxicity. The lethal dose (rat, oral) was 2G / kG. There are irritating uses: biochemical research. Reference reagent, equivalent solution preparation. Complex calcium, magnesium and other metal reagents. Metal masking agent. For molecular biology, it can inhibit the metal capacity of the enzyme and the calibration of the polyamide gel column for the separation of oligonucleotides. Medicament storage: RT
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CAS number: 6381-92-6
C10H14N2O8Na2 · 2H2O = 372.24 
