4-(Trifluoromethyl)phenylboronic acid
Also known as: 4-(Trifluoromethyl)benzeneboronic acid, α,α,α-Trifluoro-p-tolylboronic acid, alpha,alpha,alpha-Trifluoro-p-tolueneboronic Acid, p-(Trifluoromethyl)phenylboronic acid, 4-(Trifluoromethyl)phenylboronic acid (contains varying amounts of Anhydride), 4-Trifluoromethylphenylboronic acid, B-[4-(Trifluoromethyl)phenyl]boronic acid, MFCD00151855, RARECHEM AH PB 0095
4-(Trifluoromethyl)phenylboronic acid (CAS 128796-39-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H6BF3O2 and a molecular weight of 189.93 g/mol. Key properties include a melting point of 245-250 °C(lit.), a boiling point of 258.6±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 110.2±30.1 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 128796-39-4
- Jingsj CID
- J-23225-7
- Molecular Formula
- C7H6BF3O2
- Molecular Weight
- 189.93 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 245-250 °C(lit.) |
|---|---|
| Boiling Point | 258.6±50.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 110.2±30.1 °C |
| Exact Mass | 190.041290 |
| PSA | 40.46000 |
| LogP | 2.16 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.462 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
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-(Trifluoromethyl)phenylboronic acid?
The CAS number of 4-(Trifluoromethyl)phenylboronic acid is 128796-39-4.
What are the molecular formula and molecular weight of 4-(Trifluoromethyl)phenylboronic acid?
4-(Trifluoromethyl)phenylboronic acid has molecular formula C7H6BF3O2 and molecular weight 189.93 g/mol.
Is 4-(Trifluoromethyl)phenylboronic acid hazardous?
4-(Trifluoromethyl)phenylboronic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 4-(Trifluoromethyl)phenylboronic acid?
For 4-(Trifluoromethyl)phenylboronic acid, Upstream Products: 4-Bromobenzotrifluoride, Trimethyl borate, Triisopropyl borate; Downstream Products: 4-(Trifluoromethyl)aniline, (4'-(Trifluoromethyl)-[1,1'-biphenyl]-4-yl)boronic acid, 4-(Trifluoromethyl)benzhydrol.
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-(Trifluoromethyl)phenylboronic acid (CAS 128796-39-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23225-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.