3-Methyl-2-buten-2-ylboronic acid
3-甲基-2-丁烯-2-基硼酸
Also known as: (3-methylbut-2-en-2-yl)boronic acid, 3-methylbut-2-en-2-ylboronic acid, 1,2-dimethyl-1-propenylboronic acid, Boronic acid, B-(1,2-dimethyl-1-propen-1-yl)-, Boronic acid, (1,2-dimethyl-1-propen-1-yl)- (ACI)
3-Methyl-2-buten-2-ylboronic acid (CAS 870777-16-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H11BO2 and a molecular weight of 113.95100 g/mol. It is also known as (3-methylbut-2-en-2-yl)boronic acid, 3-methylbut-2-en-2-ylboronic acid and 1,2-dimethyl-1-propenylboronic acid. Key properties include a melting point of 173-178ºC(lit.), a boiling point of 211.6ºC at 760 mmHg, a density of 0.939g/cm3 and a flash point of 81.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 870777-16-5
- Jingsj CID
- J-1066907-9
- Molecular Formula
- C5H11BO2
- Chinese Name
- 3-甲基-2-丁烯-2-基硼酸
- Molecular Weight
- 113.95100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 173-178ºC(lit.) |
|---|---|
| Boiling Point | 211.6ºC at 760 mmHg |
| Density | 0.939g/cm3 |
| Flash Point | 81.8ºC |
Frequently Asked Questions
What is the CAS number of 3-Methyl-2-buten-2-ylboronic acid?
The CAS number of 3-Methyl-2-buten-2-ylboronic acid is 870777-16-5.
What are the molecular formula and molecular weight of 3-Methyl-2-buten-2-ylboronic acid?
3-Methyl-2-buten-2-ylboronic acid has molecular formula C5H11BO2 and molecular weight 113.95100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Methyl-2-buten-2-ylboronic acid (CAS 870777-16-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1066907-9 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.