3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester
Also known as: 2-(3,6-Dihydro-2H-pyran-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-3,6-dihydro-2H-pyran, 3,6-Dihydro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-pyran
3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester (CAS 287944-16-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H19BO3 and a molecular weight of 210.078 g/mol. Key properties include a melting point of 63-67℃, a boiling point of 238.6±50.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 98.1±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 287944-16-5
- Jingsj CID
- J-1010337-4
- Molecular Formula
- C11H19BO3
- Molecular Weight
- 210.078 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 63-67℃ |
|---|---|
| Boiling Point | 238.6±50.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 98.1±30.1 °C |
| Exact Mass | 210.142731 |
| PSA | 27.69000 |
| LogP | 1.96450 |
| Appearance | Solid | White to off-white |
| Vapor Pressure | 0.1±0.5 mmHg at 25°C |
| Refractive Index | 1.464 |
| Storage Conditions | 2-8°C |
| Additional Property | Slightly soluble in water. |
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 3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester?
The CAS number of 3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester is 287944-16-5.
What are the molecular formula and molecular weight of 3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester?
3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester has molecular formula C11H19BO3 and molecular weight 210.078 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. "3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester (CAS 287944-16-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1010337-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.