Diphosphorous acid, P,P,P′,P′-tetraethyl ester

CAS Registry Number®

21646-99-1
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CAS Name

Diphosphorous acid, P,P,P′,P′-tetraethyl ester

Molecular Formula

C8H20O5P2

Molecular Mass

258.19

Cite this Page

Diphosphorous acid, P,P,P′,P′-tetraethyl ester.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=21646-99-1 (retrieved 2024-05-19) (CAS RN: 21646-99-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    82-83 °C

  • Density (1)

    1.0748 g/cm³ @ Temp: 0 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C8H20O5P2/c1-5-9-14(10-6-2)13-15(11-7-3)12-8-4/h5-8H2,1-4H3

InChIKey

InChIKey=RDXABLXNTVBVML-UHFFFAOYSA-N

SMILES

P(OP(OCC)OCC)(OCC)OCC

Canonical SMILES

O(P(OCC)OCC)P(OCC)OCC

Other Names for this Substance

  • Diphosphorous acid, P,P,P′,P′-tetraethyl ester
  • Pyrophosphorous acid, tetraethyl ester
  • Diphosphorous acid, tetraethyl ester
  • Ethyl pyrophosphite
  • Tetraethyl pyrophosphite

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