4,4,5,5-Tetramethyl-2-(m-tolyl)-1,3,2-dioxaborolane
Also known as: 3-Methylphenylboronic acid pinacol ester, 3-Tolylboronic acid pinacol ester, m-Tolylboronic Acid Pinacol Ester, 4,4,5,5-tetramethyl-2-(3-methylphenyl)-1,3,2-dioxaborolane, 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)toluene, m-tolyl pinacolborane, 3-Methylbenzeneboronic acid, pinacol ester, MFCD08436973
4,4,5,5-Tetramethyl-2-(m-tolyl)-1,3,2-dioxaborolane (CAS 253342-48-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H19BO2 and a molecular weight of 218.100 g/mol. Key properties include a melting point of -37°C, a boiling point of 307.2±21.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 139.6±22.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 253342-48-2
- Jingsj CID
- J-29248-8
- Molecular Formula
- C13H19BO2
- Molecular Weight
- 218.100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -37°C |
|---|---|
| Boiling Point | 307.2±21.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 139.6±22.1 °C |
| Exact Mass | 218.147812 |
| PSA | 18.46000 |
| LogP | 2.29420 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.491 |
| Storage Conditions | 0-10°C |
| Additional Property | soluble |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 4,4,5,5-Tetramethyl-2-(m-tolyl)-1,3,2-dioxaborolane?
The CAS number of 4,4,5,5-Tetramethyl-2-(m-tolyl)-1,3,2-dioxaborolane is 253342-48-2.
What are the molecular formula and molecular weight of 4,4,5,5-Tetramethyl-2-(m-tolyl)-1,3,2-dioxaborolane?
4,4,5,5-Tetramethyl-2-(m-tolyl)-1,3,2-dioxaborolane has molecular formula C13H19BO2 and molecular weight 218.100 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,4,5,5-Tetramethyl-2-(m-tolyl)-1,3,2-dioxaborolane (CAS 253342-48-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29248-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.