Diethyl phosphite

CAS Registry Number®

762-04-9

CAS Name

Diethyl phosphite

Molecular Formula

C4H11O3P

Molecular Mass

138.10

Cite this Page

Diethyl phosphite.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=762-04-9 (retrieved 2025-03-29) (CAS RN: 762-04-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    50-51 °C @ Press: 2 Torr

  • Melting Point (2)

    <25 °C

  • Density (1)

    1.072 g/cm³

Source(s)

  • (1) Metal-Organics Catalog physical property data were obtained from Gelest, Inc. of Morrisville, Pennsylvania (US)
  • (2) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Other Names and Identifiers

InChI

InChI=1S/C4H11O3P/c1-3-6-8(5)7-4-2/h8H,3-4H2,1-2H3

InChIKey

InChIKey=MJUJXFBTEFXVKU-UHFFFAOYSA-N

SMILES

P(OCC)(OCC)=O

Canonical SMILES

O=P(OCC)OCC

Other Names for this Substance

  • Phosphonic acid, diethyl ester
  • Ethyl phosphite, (EtO)2(HO)P
  • Diethyl phosphite
  • Diethyl hydrogen phosphite
  • Diethyl phosphonate

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