4,4'-Biphenyldiboronic acid
Also known as: 4,4'-Biphenyldiboronic Acid, 4,4'-Biphenyldiyldiboronic acid, 4,4'-biphenylenediboronic acid, 4,4-BIPHENYLDIBORONIC ACID, 4,4′-Biphenyldiboronic acid, BIPHENYL-4,4'-DIBORONIC ACID, Biphenyl-4,4'-diyldiboronic acid, Boronic acid, B,B'-[1,1'-biphenyl]-4,4'-diylbis-, MFCD00151795, RARECHEM AH PB 0032, [4-(4-boronophenyl)phenyl]boronic Acid, [4-(4-boronophenyl)phenyl]boronic acid
4,4'-Biphenyldiboronic acid (CAS 4151-80-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H12B2O4 and a molecular weight of 241.843 g/mol. Key properties include a melting point of 300 °C (dec.)(lit.), a boiling point of 505.9±60.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 259.7±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4151-80-8
- Jingsj CID
- J-49447-3
- Molecular Formula
- C12H12B2O4
- Molecular Weight
- 241.843 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 300 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 505.9±60.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 259.7±32.9 °C |
| Exact Mass | 242.092178 |
| PSA | 80.92000 |
| LogP | 2.72 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.620 |
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4,4'-Biphenyldiboronic acid?
The CAS number of 4,4'-Biphenyldiboronic acid is 4151-80-8.
What are the molecular formula and molecular weight of 4,4'-Biphenyldiboronic acid?
4,4'-Biphenyldiboronic acid has molecular formula C12H12B2O4 and molecular weight 241.843 g/mol.
What are the upstream and downstream products of 4,4'-Biphenyldiboronic acid?
For 4,4'-Biphenyldiboronic acid, Upstream Products: 4-Bromophenylboronic acid, 4,4'-Diiodobiphenyl, Triisopropyl borate; Downstream Products: 4,4'-Biphenyldiboronic acid bis(neopentyl glycol) ester.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,4'-Biphenyldiboronic acid (CAS 4151-80-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49447-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.