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Diethyl phosphite used as intermediate for extraction agent and phosphoric acid esters. It is also used as solvent and acid acceptor in the synthesis of polypeptide. It is also used in the synthetic reaction. It is a precursor of phosphorous which is used for the synthesis of various organophosphorus compounds.
Toshikazu Hirao; Toshio Masunaga; Yoshiki Ohshiro; Toshio Agawa. Reduction of gem-dibromides with diethyl phosphite. J. Org. Chem. 1981, 46 (18), 3745-3747.
Hazard Statements: H227-H303-H313-H318-H317
Combustible liquid. May be harmful if swallowed. May be harmful in contact with skin. Causes serious eye damage. May cause an allergic skin reaction.
Precautionary Statements: P210u-P261-P280a-P280a-P305+P351+P338-P501a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Dispose of contents/container in accordance with local/regional/national/international regulations.