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Di-(2-ethylhexyl)phosphoric acid (DEHPA or HDEHP) is an organophosphorus compound with the formula. The yellow liquid is a diester of phosphoric acid and 2-ethylhexanol.
D 1751 (OTTO) Di(2-ethylhexyl) phosphate, 98% Cas 298-07-7 - used in the solvent extraction of uranium salts from solutions containing the sulfate, chloride, or perchlorate anions.