trans-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)styrene
反式-2-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)苯乙烯
Also known as: (E)-4,4,5,5-tetramethyl-2-styryl-1,3,2-dioxaborolane, trans-2-phenylvinylboronic acid pinacol ester, E-phenylethenylboronic acid, pinacol ester, 4,4,5,5-tetramethyl-2-[(E)-2-phenylethenyl]-1,3,2-dioxaborolane, trans-styrylboronic acid, pinacol ester, β-styrylboronic acid pinacol ester, 1,3,2-dioxaborolane, 4,4,5,5-tetramethyl-2-[(E)-2-phenylethenyl]-
trans-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)styrene (CAS 78782-27-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H19BO2 and a molecular weight of 230.111 g/mol. It is also known as (E)-4,4,5,5-tetramethyl-2-styryl-1,3,2-dioxaborolane, trans-2-phenylvinylboronic acid pinacol ester and E-phenylethenylboronic acid, pinacol ester. Key properties include a melting point of 27-33ºC(lit.), a boiling point of 271.9±33.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 118.2±25.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 78782-27-1
- Jingsj CID
- J-1081962-7
- Molecular Formula
- C14H19BO2
- Chinese Name
- 反式-2-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)苯乙烯
- Molecular Weight
- 230.111 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 27-33ºC(lit.) |
|---|---|
| Boiling Point | 271.9±33.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 118.2±25.4 °C |
Frequently Asked Questions
What is the CAS number of trans-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)styrene?
The CAS number of trans-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)styrene is 78782-27-1.
What are the molecular formula and molecular weight of trans-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)styrene?
trans-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)styrene has molecular formula C14H19BO2 and molecular weight 230.111 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "trans-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)styrene (CAS 78782-27-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1081962-7 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.