(3,5-Difluorophenyl)boronic acid
Also known as: 3,5-Difluorophenylboronic acid, 3,5-Difluorobenzeneboronic acid, (3,5-Difluorophenyl)dihydroxyborane, B-(3,5-Difluorophenyl)boronic acid, Boronic acid, B-(3,5-difluorophenyl)-
(3,5-Difluorophenyl)boronic acid (CAS 156545-07-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H5BF2O2 and a molecular weight of 157.91 g/mol. Key properties include a melting point of 210-217 °C(lit.), a boiling point of 266.9±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 115.2±30.1 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 156545-07-2
- Jingsj CID
- J-28045-5
- Molecular Formula
- C6H5BF2O2
- Molecular Weight
- 157.91 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 210-217 °C(lit.) |
|---|---|
| Boiling Point | 266.9±50.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 115.2±30.1 °C |
| Exact Mass | 158.035065 |
| PSA | 40.46000 |
| LogP | 1.73 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.486 |
GHS Safety & Compliance
- 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 (3,5-Difluorophenyl)boronic acid?
The CAS number of (3,5-Difluorophenyl)boronic acid is 156545-07-2.
What are the molecular formula and molecular weight of (3,5-Difluorophenyl)boronic acid?
(3,5-Difluorophenyl)boronic acid has molecular formula C6H5BF2O2 and molecular weight 157.91 g/mol.
Is (3,5-Difluorophenyl)boronic acid hazardous?
(3,5-Difluorophenyl)boronic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of (3,5-Difluorophenyl)boronic acid?
For (3,5-Difluorophenyl)boronic acid, Upstream Products: Trimethyl borate, 1-Bromo-3,5-difluorobenzene, 1-Chloro-3,5-difluorobenzene; Downstream Products: 1,3-Difluoro-5-(trifluoromethyl)benzene, 2-(3,5-difluorophenyl)-5,5-dimethyl-1,3,2-dioxaborinane, 3,5-Difluorophenol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(3,5-Difluorophenyl)boronic acid (CAS 156545-07-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28045-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.