2-((3-tert-Butyldimethylsilyloxy)-1-butyn-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
3-(叔丁基二甲基甲硅烷氧基)丁-1-炔基硼酸频哪醇酯
Also known as: tert-Butyldimethyl((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)but-3-yn-2-yl)oxy)silane, 3-(tert-Butyldimethylsilyloxy)-1-butyn-1-ylboronic acid pinacol ester, 3-(t-Butyldimethylsilyloxy)but-1-ynylboronic acid, pinacol ester, 2-((3-tert-Butyldimethylsilyloxy)-1-butyn-1-yl)-4,4,5,5-tetramethyl-(1,3,2)dioxaborolane, 3-(TERT-BUTYLDIMETHYLSILYLOXY)-1-BUTYN-1-YLBORONIC ACID PINACOL ESTER, 1,3,2-Dioxaborolane, 2-[3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-butyn-1-yl]-4,4,5,5-tetramethyl-, tert-butyl-dimethyl-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)but-3-yn-2-yloxy]silane
2-((3-tert-Butyldimethylsilyloxy)-1-butyn-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 849820-20-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H31BO3Si and a molecular weight of 310.31200 g/mol. It is also known as tert-Butyldimethyl((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)but-3-yn-2-yl)oxy)silane, 3-(tert-Butyldimethylsilyloxy)-1-butyn-1-ylboronic acid pinacol ester and 3-(t-Butyldimethylsilyloxy)but-1-ynylboronic acid, pinacol ester. Key property: a density of 0.9158 g/mL at 25ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 849820-20-8
- Jingsj CID
- J-1082678-2
- Molecular Formula
- C16H31BO3Si
- Chinese Name
- 3-(叔丁基二甲基甲硅烷氧基)丁-1-炔基硼酸频哪醇酯
- Molecular Weight
- 310.31200 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 0.9158 g/mL at 25ºC |
|---|
Frequently Asked Questions
What is the CAS number of 2-((3-tert-Butyldimethylsilyloxy)-1-butyn-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?
The CAS number of 2-((3-tert-Butyldimethylsilyloxy)-1-butyn-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is 849820-20-8.
What are the molecular formula and molecular weight of 2-((3-tert-Butyldimethylsilyloxy)-1-butyn-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?
2-((3-tert-Butyldimethylsilyloxy)-1-butyn-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane has molecular formula C16H31BO3Si and molecular weight 310.31200 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-((3-tert-Butyldimethylsilyloxy)-1-butyn-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 849820-20-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1082678-2 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.