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[757-95-9] C5H7F6O3P (MW 260.1) InChI = 1S/C5H7F6O3P/c1-15(12,13-2-4(6,7)8)14-3-5(9,10)11/h2-3H2,1H3 InChIKey = YIUFTMLPQFZEFD-UHFFFAOYSA-N (used in the preparation of β-ketophosphonate reagents for the selective synthesis of (Z)-di- and trisubstituted olefins) Alternate Name: bis(2,2,2-trifluoroethyl) methylphosphonate. Physical Data: mp 24–28 °C; bp 183–184 °C; d 1.4807 g cm−3. Solubility: THF, Et2O, CH2Cl2 and most common organic solvents. Form Supplied in: colorless liquid, 98%. Preparative Methods: from the reaction of methylphosphonic dichloride with trifluoroethanol, promoted by either tertiary amines or a metal chloride catalyst.1 Purification: fractional distillation (55 °C, 4 mmHg).1 Handling, Storage, and Precautions: do not breathe vapor; avoid contact with skin, eyes, and clothing; avoid prolonged or repeated exposure. keep tightly closed; keep away from heat and open flame. Irritating to the eyes, respiratory system, and skin; combustible liquid, emits toxic fumes under fire conditions; avoid strong oxidizing agents. |
