4-Fluoro-2-methylphenylboronic acid
4-氟-2-甲基苯硼酸
Also known as: 4-Fluoro-o-tolylboronic acid, 4-Fluoro-2-methylbenzeneboronic acid, 2-Methyl-4-fluorophenylboronic acid, Boronic acid, B-(4-fluoro-2-methylphenyl)-, 4-Fluoro-2-Methylphenylboronic Acid, AKOS BRN-0102, MFCD02093072
4-Fluoro-2-methylphenylboronic acid (CAS 139911-29-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H8BFO2 and a molecular weight of 153.95 g/mol. It is also known as 4-Fluoro-o-tolylboronic acid, 4-Fluoro-2-methylbenzeneboronic acid and 2-Methyl-4-fluorophenylboronic acid. Key properties include a melting point of 191-196 °C(lit.), a boiling point of 277.4±50.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 121.6±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 139911-29-8
- Jingsj CID
- J-4533-5
- Molecular Formula
- C7H8BFO2
- Chinese Name
- 4-氟-2-甲基苯硼酸
- Molecular Weight
- 153.95 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 191-196 °C(lit.) |
|---|---|
| Boiling Point | 277.4±50.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 121.6±30.1 °C |
| Exact Mass | 154.060135 |
| PSA | 40.46000 |
| LogP | 2.10 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.506 |
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 4-Fluoro-2-methylphenylboronic acid?
The CAS number of 4-Fluoro-2-methylphenylboronic acid is 139911-29-8.
What are the molecular formula and molecular weight of 4-Fluoro-2-methylphenylboronic acid?
4-Fluoro-2-methylphenylboronic acid has molecular formula C7H8BFO2 and molecular weight 153.95 g/mol.
What are the upstream and downstream products of 4-Fluoro-2-methylphenylboronic acid?
For 4-Fluoro-2-methylphenylboronic acid, Upstream Products: Triisopropyl borate, 2-Bromo-5-fluorotoluene, Water; Downstream Products: 2-Fluorofluorene, 2-Bromomethyl-4-fluorophenylboronic acid neopentyl glycol ester.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Fluoro-2-methylphenylboronic acid (CAS 139911-29-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4533-5 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.