4-(Trifluoromethoxy)phenylboronic acid
Also known as: 4-(Trifluoromethoxy)benzeneboronic acid, 4-Trifluoromethoxyphenylboronic acid, Boronic acid, B-[4-(trifluoromethoxy)phenyl]-, B-[4-(Trifluoromethoxy)phenyl]boronic acid
4-(Trifluoromethoxy)phenylboronic acid (CAS 139301-27-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H6BF3O3 and a molecular weight of 205.93 g/mol. Key properties include a melting point of 123-127 °C(lit.), a boiling point of 256.6±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 109.0±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 139301-27-2
- Jingsj CID
- J-15790-4
- Molecular Formula
- C7H6BF3O3
- Molecular Weight
- 205.93 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 123-127 °C(lit.) |
|---|---|
| Boiling Point | 256.6±50.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 109.0±30.1 °C |
| Exact Mass | 206.036209 |
| PSA | 49.69000 |
| LogP | 2.54 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.462 |
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-(Trifluoromethoxy)phenylboronic acid?
The CAS number of 4-(Trifluoromethoxy)phenylboronic acid is 139301-27-2.
What are the molecular formula and molecular weight of 4-(Trifluoromethoxy)phenylboronic acid?
4-(Trifluoromethoxy)phenylboronic acid has molecular formula C7H6BF3O3 and molecular weight 205.93 g/mol.
What are the upstream and downstream products of 4-(Trifluoromethoxy)phenylboronic acid?
For 4-(Trifluoromethoxy)phenylboronic acid, Upstream Products: 1-Bromo-4-(trifluoromethoxy)benzene, Triisopropyl borate; Downstream Products: 4-(Trifluoromethoxy)benzonitrile, 4-(Trifluoromethoxy)benzenesulfonyl chloride, 4-(Trifluoromethoxy)phenol.
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-(Trifluoromethoxy)phenylboronic acid (CAS 139301-27-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15790-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.