Trimethylborate, extra pure >99%

Name: Trimethylborate, extra pure >99%
Brand: Vaqora Chemicals
SKU: VQ-019882

About Trimethylborate, extra pure >99%

Listed under CAS 121-43-7, Trimethylborate is a boronic acid building block available from Vaqora Chemicals in Extra Pure grade, specified at above 99% purity. Formula C3H9BO3, molecular weight 103.92 g/mol. Common synonyms include Trimethoxyborane and Methyl borate.

It is supplied as a liquid. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 100 mL and 1000 mL packs, Trimethylborate is dispatched with a Certificate of Analysis (COA) to destinations worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Organic synthesis
API synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Trimethylborate, extra pure >99%
Catalogue No.	VQ-019882
CAS Number	121-43-7
IUPAC name	trimethyl borate
Molecular formula	C₃H₉BO₃
Molecular weight	103.92 g/mol
Exact mass	104.0645
Grade	Extra Pure
Purity / assay	>99%
InChIKey	WRECIMRULFAWHA-UHFFFAOYSA-N
SMILES	B(OC)(OC)OC
PubChem CID	8470

Physical properties
Physical form	Liquid
H-bond donors / acceptors	0 / 3
TPSA	27.7 Å²
Synonyms	Trimethoxyborane, Methyl borate, Boric acid trimethyl ester, Borester O, Boric acid, trimethyl ester, Trimethoxyborine, Boric acid (H3BO3), trimethyl ester, Trimethylester kyseliny borite, B(OMe)3, B(OCH3)3, (MeO)3B, Trimethyl borate-11B

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H226Flammable liquid and vapor
H312Harmful in contact with skin

Precautionary statements: P203, P210, P233, P240, P241, P242, P243, P280, P302 + P352, P303 + P361 + P353, P317, P318, P321, P362 + P364, P370 + P378, P403 + P235, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Trimethylborate, extra pure >99%?

The CAS Registry Number of Trimethylborate, extra pure >99% is 121-43-7. It is also known as Trimethoxyborane, Methyl borate, Boric acid trimethyl ester.

What is the molecular formula and molecular weight of Trimethylborate, extra pure >99%?

Trimethylborate, extra pure >99% has the molecular formula C3H9BO3 and a molecular weight of 103.92 g/mol. Its IUPAC name is trimethyl borate.

Which grade and pack sizes of Trimethylborate, extra pure >99% can I order?

We supply Trimethylborate, extra pure >99% in Extra Pure (>99%) grade, in 100 mL, 1000 mL packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Trimethylborate, extra pure >99%?

Yes. Every lot of Trimethylborate, extra pure >99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Trimethylborate, extra pure >99% be shipped internationally?

Yes. Trimethylborate, extra pure >99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.