Trimethyl borate

Synonym: Methyl borate, Boric acid trimethyl ester, B(OMe)3
CAS Number 121-43-7 | MDL Number MFCD00008346 | EC Number 204-468-9

Trimethyl borate Chemical Structure

Product CodeB1437
CAS Number121-43-7
Assay (purity)98.0%+
Purity methodby elemental analysis
Molecular weight103.92
Appearancecolorless liquid
Melting point-34C
Boiling point68C
Molecular formulaC3H9BO3
Linear formulaB(OCH3)3

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 borate contact us at

Safety information

Signal wordDANGER
Hazard statementsH225, H312, H319, H360, H370
Precautionary statementsP201, P202, P210, P233, P240, P241, P242, P243, P260, P264, P270, P280, P281, P302+P352, P303+P361+P353, P305+P351+P338, P307+P311, P308+P313, P312, P321, P322, P337+P313, P363, P370+P378, P403+P235, P405, P501
Transport descriptionTRIMETHYL BORATE
Hazardous class3
Packing groupII
In TSCA registryYes

Certificates of analysis (CoA)

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External identifiers for Methyl borate

Pubchem CID8470
IUPAC Nametrimethyl borate
InchI IdentifierInChI=1S/C3H9BO3/c1-5-4(6-2)7-3/h1-3H3

Ereztech synthesizes and sells additional B-compounds.

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