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2-(3,4-Dihydro-2H-pyran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

3,4-二氢-2H-吡喃-5-硼酸频哪醇酯

Also known as: 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydro-2H-pyran

2-(3,4-Dihydro-2H-pyran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1046811-99-7) 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 210.07800 g/mol. It is also known as 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydro-2H-pyran. Key property: a boiling point of 222.3±50.0°C at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1046811-99-7
Jingsj CID
J-1481159-9
Molecular Formula
C11H19BO3
Chinese Name
3,4-二氢-2H-吡喃-5-硼酸频哪醇酯
Molecular Weight
210.07800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point222.3±50.0°C at 760 mmHg
Exact Mass210.14300
PSA27.69000
LogP2.31210

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 2-(3,4-Dihydro-2H-pyran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?

The CAS number of 2-(3,4-Dihydro-2H-pyran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is 1046811-99-7.

What are the molecular formula and molecular weight of 2-(3,4-Dihydro-2H-pyran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?

2-(3,4-Dihydro-2H-pyran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane has molecular formula C11H19BO3 and molecular weight 210.07800 g/mol.

What are the upstream and downstream products of 2-(3,4-Dihydro-2H-pyran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?

For 2-(3,4-Dihydro-2H-pyran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, Upstream Products: Bis(pinacolato)diboron, 3,4-Dihydro-2H-pyran, Pinacolborane.

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

Last updated:

How to cite: Jingsj. "2-(3,4-Dihydro-2H-pyran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1046811-99-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1481159-9 (accessed 2026-10-28).

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