2-Ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
2-乙炔基-4,4,5,5-四甲基-1,3,2-二氧环戊硼烷
Also known as: 1,3,2-Dioxaborolane, 2-ethynyl-4,4,5,5-tetramethyl-, 2-Ethynyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane, 2-Ethynyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborlane, 2-Ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane AldrichCPR, Ethynylboronic acid pinacol ester, Ethynylboronic Acid Pinacol Ester
- CAS No.
- 347389-74-6
- Jingsj CID
- J-1081009-9
- Molecular Formula
- C8H13BO2
- Chinese Name
- 2-乙炔基-4,4,5,5-四甲基-1,3,2-二氧环戊硼烷
- Molecular Weight
- 151.999 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 25 °C |
|---|---|
| Boiling Point | 132.6±23.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 34.0±22.6 °C |
Frequently Asked Questions
What is the CAS number of 2-Ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?
347389-74-6
What are the molecular formula and molecular weight of 2-Ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?
C8H13BO2, molecular weight 151.999 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026