ethylenediaminetetraacetic acid

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ethylenediaminetetraacetic acid

[¦eth·ə·lēn¦dī·ə‚mēn‚te·trə·ə′sēd·ik ′as·əd]
(organic chemistry)
(HOOC-CH2)2NCH2CH2N(CH2COOH) White crystals, slightly soluble in water and decomposing above 160°C; the sodium salt is a strong chelating agent, reacting with many metallic ions to form soluble nonionic chelate. Abbreviated EDTA.