Trimethyl borate-11B

硼酸三甲酯-11B

Also known as: TRIMETHYL BORATE-11B, 97 ATOM % 11B, Trimethyl borate-11B, 99 atom % 11B, 98+% CP, Boric acid (H311BO3), trimethyl ester

Trimethyl borate-11B (CAS 3349-42-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H9BO3 and a molecular weight of 103.91300 g/mol. It is also known as TRIMETHYL BORATE-11B, 97 ATOM % 11B, Trimethyl borate-11B, 99 atom % 11B, 98+% CP and Boric acid (H311BO3), trimethyl ester. Key properties include a melting point of -34ºC(lit.), a boiling point of 68-69ºC(lit.), a density of 0.924 g/mL at 25ºC(lit.) and a flash point of 17 °F. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3349-42-6
Jingsj CID
J-23010-6
Molecular Formula
C3H9BO3
Chinese Name
硼酸三甲酯-11B
Molecular Weight
103.91300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-34ºC(lit.)
Boiling Point68-69ºC(lit.)
Density0.924 g/mL at 25ºC(lit.)
Flash Point17 °F

Frequently Asked Questions

What is the CAS number of Trimethyl borate-11B?

The CAS number of Trimethyl borate-11B is 3349-42-6.

What are the molecular formula and molecular weight of Trimethyl borate-11B?

Trimethyl borate-11B has molecular formula C3H9BO3 and molecular weight 103.91300 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Trimethyl borate-11B (CAS 3349-42-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23010-6 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.