4,5-Difluoro-2-methoxybenzaldehyde

4,5-二氟-2-甲氧基苯甲醛

Also known as: 4,5-Difluoro-o-anisaldehyde, Benzaldehyde, 4,5-difluoro-2-methoxy-, MFCD06246884, VHR CF DF FO1

4,5-Difluoro-2-methoxybenzaldehyde (CAS 145742-34-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H6F2O2 and a molecular weight of 172.129 g/mol. It is also known as 4,5-Difluoro-o-anisaldehyde, Benzaldehyde, 4,5-difluoro-2-methoxy- and MFCD06246884. Key properties include a melting point of 93-97°C, a boiling point of 239.2±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 95.7±20.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
145742-34-3
Jingsj CID
J-31010-5
Molecular Formula
C8H6F2O2
Chinese Name
4,5-二氟-2-甲氧基苯甲醛
Molecular Weight
172.129 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point93-97°C
Boiling Point239.2±35.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point95.7±20.8 °C

Frequently Asked Questions

What is the CAS number of 4,5-Difluoro-2-methoxybenzaldehyde?

The CAS number of 4,5-Difluoro-2-methoxybenzaldehyde is 145742-34-3.

What are the molecular formula and molecular weight of 4,5-Difluoro-2-methoxybenzaldehyde?

4,5-Difluoro-2-methoxybenzaldehyde has molecular formula C8H6F2O2 and molecular weight 172.129 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4,5-Difluoro-2-methoxybenzaldehyde (CAS 145742-34-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31010-5 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.