trans-4,4,5,5-Tetramethyl-2-oct-1-enyl-1,3,2-dioxaborolane

Also known as: (E)-1-Octenylboronic acid pinacol ester, trans-1-Octenylboronic acid pinacol ester, E-2-(1-Octenyl)-4,4,5,5-tetramethyl-[1,3,2]-dioxaborolane, trans-1-Octen-1-ylboronic acid pinacol ester, 1-Octen-1-ylboronic acid pinacol ester, 4,4,5,5-Tetramethyl-2-[(E)-oct-1-en-1-yl]-1,3,2-dioxaborolane, MFCD03453667

trans-4,4,5,5-Tetramethyl-2-oct-1-enyl-1,3,2-dioxaborolane (CAS 83947-55-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H27BO2 and a molecular weight of 238.17400 g/mol. Key properties include a boiling point of 86-90ºC/0.4-0.5 mmHg, a density of 0.881 g/mL at 25ºC and a flash point of 110ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 83947-55-1
Jingsj CID: J-21877-9
Molecular Formula: C₁₄H₂₇BO₂
Molecular Weight: 238.17400 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	86-90ºC/0.4-0.5 mmHg
Density	0.881 g/mL at 25ºC
Flash Point	110ºC
Exact Mass	238.21000
PSA	18.46000
LogP	4.14440
Refractive Index	1.446

Customs & Trade Information

HS Code	2931900090
Summary	2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of trans-4,4,5,5-Tetramethyl-2-oct-1-enyl-1,3,2-dioxaborolane?

The CAS number of trans-4,4,5,5-Tetramethyl-2-oct-1-enyl-1,3,2-dioxaborolane is 83947-55-1.

What are the molecular formula and molecular weight of trans-4,4,5,5-Tetramethyl-2-oct-1-enyl-1,3,2-dioxaborolane?

trans-4,4,5,5-Tetramethyl-2-oct-1-enyl-1,3,2-dioxaborolane has molecular formula C14H27BO2 and molecular weight 238.17400 g/mol.

What are the upstream and downstream products of trans-4,4,5,5-Tetramethyl-2-oct-1-enyl-1,3,2-dioxaborolane?

For trans-4,4,5,5-Tetramethyl-2-oct-1-enyl-1,3,2-dioxaborolane, Upstream Products: 2,3-Dimethyl-2,3-butanediol, Oct-1-yne, Pinacolborane.

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

Last updated: 8/21/2026

How to cite: Jingsj. "trans-4,4,5,5-Tetramethyl-2-oct-1-enyl-1,3,2-dioxaborolane (CAS 83947-55-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21877-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.