4-Methoxy-2-formylphenylboronic acid
Also known as: 2-Formyl-4-methoxyphenylboronic acid, 2-Formyl-4-methoxybenzeneboronic acid, 4-Methoxy-2-formylbenzeneboronic acid, AKOS BRN-0106, RARECHEM AH PB 0117, 2-Borono-5-methoxybenzaldehyde, MFCD01319043
4-Methoxy-2-formylphenylboronic acid (CAS 139962-95-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H9BO4 and a molecular weight of 179.966 g/mol. Key properties include a melting point of 148 °C, a boiling point of 395.2±52.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 192.8±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 139962-95-1
- Jingsj CID
- J-31384-8
- Molecular Formula
- C8H9BO4
- Molecular Weight
- 179.966 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 148 °C |
|---|---|
| Boiling Point | 395.2±52.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 192.8±30.7 °C |
| Exact Mass | 180.059387 |
| PSA | 66.76000 |
| LogP | 1.02 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.537 |
| Storage Conditions | 0-6°C |
Frequently Asked Questions
What is the CAS number of 4-Methoxy-2-formylphenylboronic acid?
The CAS number of 4-Methoxy-2-formylphenylboronic acid is 139962-95-1.
What are the molecular formula and molecular weight of 4-Methoxy-2-formylphenylboronic acid?
4-Methoxy-2-formylphenylboronic acid has molecular formula C8H9BO4 and molecular weight 179.966 g/mol.
What are the upstream and downstream products of 4-Methoxy-2-formylphenylboronic acid?
For 4-Methoxy-2-formylphenylboronic acid, Upstream Products: 2-(2-Bromo-5-methoxyphenyl)-1,3-dioxolane, 2-Bromo-5-methoxybenzaldehyde, Triisopropyl borate; Downstream Products: 2-Hydroxymethyl-4-methoxyphenylboronic acid.
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-Methoxy-2-formylphenylboronic acid (CAS 139962-95-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31384-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.