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Triethyl 2-phosphonopropionate, 98% - CAS 3699-66-9 - Formula C9H19O5P


Certificate of Analysis

Triethyl 2-phosphonopropionate, 98%

CAS: 3699-66-9 MDL: MFCD00009159  EINECS: 223-033-4
Not regulated for shipping
Alternate Name: Diethyl 1-(ethoxycarbonyl)ethanephosphonate
2-Phosphonopropionic acid triethyl ester


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Chemical Properties

Formula: C9H19O5P  Flash point: 88°(190°F)
Formula weight: 238.22  Density: 1.111
Boiling point: 143-144°/12mm Refractive Index: 1.4320

Literature References

Wadsworth-Emmons precursor of methacrylic esters (see Triethyl­ phosphonoacetate, A14120 and Appendix 1). Lithiation followed by acylation with perfluoroalkanoic anhydrides gives a perfluoroacyl intermediate which, with an organolithium reagent, leads stereoselectively to a trifluoroalkylated ɑß-unsaturated ester: J. Fluorine Chem., 89, 141 (1998):

Other References

Beilstein: 1786994
Harmonized Tariff Code:   2931.90

GHS Hazard and Precautionary Statements

Hazard Statements : H227

Combustible liquid.

Precautionary Statements : P210-P280-P370+P378A-P403+P235-P501A

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Wear protective gloves/protective clothing/eye protection/face protection. In case of fire: Use for extinction: CO2, powder or water spray. Store in a well-ventilated place. Keep cool. Dispose of contents/container in accordance with local/regional/national/international regulations.

Risk & Safety