4-Fluorobenzeneboronic acid
Also known as: 4-Fluorophenylboronic acid, p-Fluorophenylboronic acid, (4-Fluorophenyl)boronic acid, (4-Fluorophenyl)boranediol, p-Fluorobenzeneboronic acid, 4-Fluorophenylboranic acid, B-(4-Fluorophenyl)boronic acid, Boronic acid, B-(4-fluorophenyl)-
4-Fluorobenzeneboronic acid (CAS 1765-93-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H6BFO2 and a molecular weight of 139.92 g/mol. Key properties include a melting point of 262-265 °C(lit.), a boiling point of 258.4±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 110.1±27.9 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1765-93-1
- Jingsj CID
- J-1087465-4
- Molecular Formula
- C6H6BFO2
- Molecular Weight
- 139.92 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 262-265 °C(lit.) |
|---|---|
| Boiling Point | 258.4±42.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 110.1±27.9 °C |
| Exact Mass | 140.044495 |
| PSA | 40.46000 |
| LogP | 1.64 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.509 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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-Fluorobenzeneboronic acid?
The CAS number of 4-Fluorobenzeneboronic acid is 1765-93-1.
What are the molecular formula and molecular weight of 4-Fluorobenzeneboronic acid?
4-Fluorobenzeneboronic acid has molecular formula C6H6BFO2 and molecular weight 139.92 g/mol.
Is 4-Fluorobenzeneboronic acid hazardous?
4-Fluorobenzeneboronic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 4-Fluorobenzeneboronic acid?
For 4-Fluorobenzeneboronic acid, Upstream Products: 1-Bromo-4-fluorobenzene, 4-Fluoroiodobenzene, 1-Chloro-4-fluorobenzene; Downstream Products: 2-(4-fluorophenyl)-3-methylpyridine, 4-Fluorophenyl methyl sulfone, 1-Bromo-4-fluorobenzene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Fluorobenzeneboronic acid (CAS 1765-93-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1087465-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.