2-[(E)-2-(2,4-difluorophenyl)ethenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
反式-2-(2,4-二氟苯基)乙烯基硼酸频哪醇酯
Also known as: (E)-2-(2,4-Difluorostyryl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, trans-2-(2,4-Difluorophenyl)vinylboronic acid pinacol ester, E-2-(2,4-Difluorophenyl)vinylboronic acid, pinacol ester, 2-[(1E)-2-(2,4-difluorophenyl)ethenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 1,3,2-Dioxaborolane, 2-[(1E)-2-(2,4-difluorophenyl)ethenyl]-4,4,5,5-tetramethyl-
2-[(E)-2-(2,4-difluorophenyl)ethenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 736987-78-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H17BF2O2 and a molecular weight of 266.09100 g/mol. It is also known as (E)-2-(2,4-Difluorostyryl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, trans-2-(2,4-Difluorophenyl)vinylboronic acid pinacol ester and E-2-(2,4-Difluorophenyl)vinylboronic acid, pinacol ester. Key properties include a boiling point of 103-105ºC0.2-0.3 mm Hg, a density of 1.099 g/mL at 25ºC and a flash point of >230 °F. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 736987-78-3
- Jingsj CID
- J-940299-3
- Molecular Formula
- C14H17BF2O2
- Chinese Name
- 反式-2-(2,4-二氟苯基)乙烯基硼酸频哪醇酯
- Molecular Weight
- 266.09100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 103-105ºC0.2-0.3 mm Hg |
|---|---|
| Density | 1.099 g/mL at 25ºC |
| Flash Point | >230 °F |
Frequently Asked Questions
What is the CAS number of 2-[(E)-2-(2,4-difluorophenyl)ethenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?
The CAS number of 2-[(E)-2-(2,4-difluorophenyl)ethenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is 736987-78-3.
What are the molecular formula and molecular weight of 2-[(E)-2-(2,4-difluorophenyl)ethenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?
2-[(E)-2-(2,4-difluorophenyl)ethenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane has molecular formula C14H17BF2O2 and molecular weight 266.09100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-[(E)-2-(2,4-difluorophenyl)ethenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 736987-78-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-940299-3 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.