Trimethyl phosphate

Synonym: TMPA, TMPO, (MeO)3PO, Trimethyl orthophosphate, Trimethoxyphosphine oxide, Phosphoric acid trimethyl ester, Methyl phosphate, Dimethylphosphonomethanol, Phosphoric acid trimethyl
CAS Number 512-56-1 | MDL Number MFCD00008348 | EC Number 208-144-8

Trimethyl phosphate Chemical Structure

Product CodeP2561
CAS Number512-56-1
Assay (purity)97%
Purity methodby GC
Molecular weight140.08
Appearancecolorless liquid
Melting point-46C
Boiling point197C
Molecular formulaC3H9O4P
Linear formula(CH3O)3PO

Ereztech manufactures and sells this product in small and bulk volumes. Glass ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing Trimethyl phosphate contact us at

Safety information

Signal wordDANGER
Hazard statementsH302, H315, H319, H340, H351
Precautionary statementsP201, P202, P264, P270, P280, P281, P301+P312, P302+P352, P305+P351+P338, P308+P313, P321, P330, P332+P313, P337+P313, P362, P405, P501
In TSCA registryYes
Flash point150C

Certificates of analysis (CoA)

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External identifiers for TMPA

Pubchem CID10541
IUPAC Nametrimethyl phosphate
InchI IdentifierInChI=1S/C3H9O4P/c1-5-8(4,6-2)7-3/h1-3H3

Ereztech synthesizes and sells additional P-compounds.

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