Trimethyl phosphite

CAS Registry Number®

121-45-9

CAS Name

Trimethyl phosphite

Molecular Formula

C3H9O3P

Molecular Mass

124.08

Cite this Page

Trimethyl phosphite.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=121-45-9 (retrieved 2025-03-28) (CAS RN: 121-45-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    111.5 °C

  • Melting Point (1)

    -78 °C

  • Density (1)

    1.0520 g/cm³ @ Temp: 20 °C

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/C3H9O3P/c1-4-7(5-2)6-3/h1-3H3

InChIKey

InChIKey=CYTQBVOFDCPGCX-UHFFFAOYSA-N

SMILES

P(OC)(OC)OC

Canonical SMILES

O(P(OC)OC)C

Other Names for this Substance

  • Phosphorous acid, trimethyl ester
  • Trimethyl phosphite
  • Trimethoxyphosphine
  • NSC 6513

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