4,4,5,5-Tetramethyl-2-(4-{2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethynyl}phenyl)-1,3,2-dioxaborolane
4,4,5,5-四甲基-2-(4-{2-[4-(4,4,5,5-四甲基-1,3,2-二氧硼杂环戊烷-2-基)苯基]乙炔基}苯基)-1,3,2-二氧硼杂环戊烷
Also known as: Diphenylacetylene-4,4'-diboronic acid bis(pinacol) ester, 1,2-Bis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetylene, Bis[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]acetylene, 4,4'-(Acetylene-1,2-diyl)bis(phenylboronic acid pinacol ester), 4,4'-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)diphenylacetylene
4,4,5,5-Tetramethyl-2-(4-{2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethynyl}phenyl)-1,3,2-dioxaborolane (CAS 849681-64-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C26H32B2O4 and a molecular weight of 430.15200 g/mol. It is also known as Diphenylacetylene-4,4'-diboronic acid bis(pinacol) ester, 1,2-Bis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetylene and Bis[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]acetylene. Key property: a melting point of 275-280°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 849681-64-7
- Jingsj CID
- J-1000384-6
- Molecular Formula
- C26H32B2O4
- Chinese Name
- 4,4,5,5-四甲基-2-(4-{2-[4-(4,4,5,5-四甲基-1,3,2-二氧硼杂环戊烷-2-基)苯基]乙炔基}苯基)-1,3,2-二氧硼杂环戊烷
- Molecular Weight
- 430.15200 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 275-280°C |
|---|
Frequently Asked Questions
What is the CAS number of 4,4,5,5-Tetramethyl-2-(4-{2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethynyl}phenyl)-1,3,2-dioxaborolane?
The CAS number of 4,4,5,5-Tetramethyl-2-(4-{2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethynyl}phenyl)-1,3,2-dioxaborolane is 849681-64-7.
What are the molecular formula and molecular weight of 4,4,5,5-Tetramethyl-2-(4-{2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethynyl}phenyl)-1,3,2-dioxaborolane?
4,4,5,5-Tetramethyl-2-(4-{2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethynyl}phenyl)-1,3,2-dioxaborolane has molecular formula C26H32B2O4 and molecular weight 430.15200 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,4,5,5-Tetramethyl-2-(4-{2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethynyl}phenyl)-1,3,2-dioxaborolane (CAS 849681-64-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1000384-6 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.