Ethylboronic acid
Also known as: Ethaneboronic acid, Boronic acid, ethyl-, Ethyldihydroxyborane, ethyl boronic acid, ethyl boronoic acid, ethyl-dihydroxy-borane, ethylboric acid, Aethyl-dihydroxy-boran, RARECHEM AH PB 0253
Ethylboronic acid (CAS 4433-63-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H7BO2 and a molecular weight of 73.89 g/mol. Key properties include a melting point of 161-162°C, a boiling point of 154.0±23.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 47.0±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4433-63-0
- Jingsj CID
- J-50098-1
- Molecular Formula
- C2H7BO2
- Molecular Weight
- 73.89 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 161-162°C |
|---|---|
| Boiling Point | 154.0±23.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 47.0±22.6 °C |
| Exact Mass | 74.053909 |
| PSA | 40.46000 |
| LogP | 0.37 |
| Vapor Pressure | 1.2±0.6 mmHg at 25°C |
| Refractive Index | 1.371 |
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Ethylboronic acid?
The CAS number of Ethylboronic acid is 4433-63-0.
What are the molecular formula and molecular weight of Ethylboronic acid?
Ethylboronic acid has molecular formula C2H7BO2 and molecular weight 73.89 g/mol.
What are the upstream and downstream products of Ethylboronic acid?
For Ethylboronic acid, Upstream Products: ethylmagnesium iodide, Trimethyl borate, Water; Downstream Products: 4-Ethylacetophenone, 3-Bromo-5-ethylpyridine, 2-Ethylbenzaldehyde.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethylboronic acid (CAS 4433-63-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-50098-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.