2-(5-Chloropent-1-yn-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
5-氯-1-戊炔基-1-硼酸频那醇酯
Also known as: 2-(5-Chloropent-1-ynyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 2-(5-Chloropent-1-ynyl)boronic acid pinacol ester, 5-Chloro-1-pentynyl-1-boronic acid pinacol ester, 5-Chloropent-1-ynylboronic acid pinacol ester, 1,3,2-Dioxaborolane, 2-(5-chloro-1-pentyn-1-yl)-4,4,5,5-tetramethyl-
2-(5-Chloropent-1-yn-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 159087-42-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H18BClO2 and a molecular weight of 228.52300 g/mol. It is also known as 2-(5-Chloropent-1-ynyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 2-(5-Chloropent-1-ynyl)boronic acid pinacol ester and 5-Chloro-1-pentynyl-1-boronic acid pinacol ester. Key properties include a density of 1.0422 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.
- 159087-42-0
- Jingsj CID
- J-1347891-3
- Molecular Formula
- C11H18BClO2
- Chinese Name
- 5-氯-1-戊炔基-1-硼酸频那醇酯
- Molecular Weight
- 228.52300 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.0422 g/mL at 25ºC |
|---|---|
| Flash Point | 110ºC |
Frequently Asked Questions
What is the CAS number of 2-(5-Chloropent-1-yn-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?
The CAS number of 2-(5-Chloropent-1-yn-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is 159087-42-0.
What are the molecular formula and molecular weight of 2-(5-Chloropent-1-yn-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?
2-(5-Chloropent-1-yn-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane has molecular formula C11H18BClO2 and molecular weight 228.52300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-(5-Chloropent-1-yn-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 159087-42-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1347891-3 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.