4-Cyanophenylboronic acid
Also known as: 4-Cyanobenzeneboronic acid, (4-Cyanophenyl)boronic acid, p-Cyanophenylboronic acid, Boronic acid, B-(4-cyanophenyl)-, 4-Cyanophenylboric acid
4-Cyanophenylboronic acid (CAS 126747-14-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H6BNO2 and a molecular weight of 146.94 g/mol. Key properties include a melting point of >350 °C(lit.), a boiling point of 355.9±44.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 169.0±28.4 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 126747-14-6
- Jingsj CID
- J-23304-5
- Molecular Formula
- C7H6BNO2
- Molecular Weight
- 146.94 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >350 °C(lit.) |
|---|---|
| Boiling Point | 355.9±44.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 169.0±28.4 °C |
| Exact Mass | 147.049164 |
| PSA | 64.25000 |
| LogP | 1.03 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.560 |
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-Cyanophenylboronic acid?
The CAS number of 4-Cyanophenylboronic acid is 126747-14-6.
What are the molecular formula and molecular weight of 4-Cyanophenylboronic acid?
4-Cyanophenylboronic acid has molecular formula C7H6BNO2 and molecular weight 146.94 g/mol.
What are the upstream and downstream products of 4-Cyanophenylboronic acid?
For 4-Cyanophenylboronic acid, Upstream Products: 4-Cyanophenyl trifluoromethanesulfonate, (4-Chlorophenyl)boronic acid, Zinc cyanide; Downstream Products: 4-(pyridin-2-yl)benzonitrile, 4-(Trifluoromethylthio)benzonitrile, 4'-Methyl-[1,1'-biphenyl]-4-carbonitrile.
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-Cyanophenylboronic acid (CAS 126747-14-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23304-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.