Phenethylboronic acid
Also known as: (2-Phenylethyl)boronic acid, 2-Phenylethylboronic acid, 2-Phenylethaneboronic acid, 2-Phenyl-1-ethylboronic acid, 2-Phenylethyl-1-boronic acid, Phenylethaneboronic acid, Phenylethylboronic acid, Boronic acid, (2-phenylethyl)-, Boronic acid, B-(2-phenylethyl)-, MFCD01631226, RARECHEM AH PB 0199
Phenethylboronic acid (CAS 34420-17-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H11BO2 and a molecular weight of 149.983 g/mol. Key properties include a melting point of 76-81 °C(lit.), a boiling point of 310.4±35.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 141.5±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 34420-17-2
- Jingsj CID
- J-27748-5
- Molecular Formula
- C8H11BO2
- Molecular Weight
- 149.983 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 76-81 °C(lit.) |
|---|---|
| Boiling Point | 310.4±35.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 141.5±25.9 °C |
| Exact Mass | 150.085205 |
| PSA | 40.46000 |
| LogP | 2.03 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.520 |
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 Phenethylboronic acid?
The CAS number of Phenethylboronic acid is 34420-17-2.
What are the molecular formula and molecular weight of Phenethylboronic acid?
Phenethylboronic acid has molecular formula C8H11BO2 and molecular weight 149.983 g/mol.
What are the upstream and downstream products of Phenethylboronic acid?
For Phenethylboronic acid, Upstream Products: Tributyl borate; Downstream Products: N-Phenethylbenzamide, Methyl 5-phenylpentanoate, 4-acetylbibenzyl.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Phenethylboronic acid (CAS 34420-17-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27748-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.