2,6-Difluoro-4-methoxybenzoic acid

2,6-二氟-4-甲氧基苯甲酸

Also known as: 2,6-Difluoro-p-anisic acid, 4-Carboxy-3,5-difluoroanisole, Benzoic acid, 2,6-difluoro-4-methoxy-, QVR BF FF DO1, MFCD02949623

2,6-Difluoro-4-methoxybenzoic acid (CAS 123843-65-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H6F2O3 and a molecular weight of 188.128 g/mol. It is also known as 2,6-Difluoro-p-anisic acid, 4-Carboxy-3,5-difluoroanisole and Benzoic acid, 2,6-difluoro-4-methoxy-. Key properties include a melting point of 184-185°C, a boiling point of 232.0±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 94.1±25.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
123843-65-2
Jingsj CID
J-3192-5
Molecular Formula
C8H6F2O3
Chinese Name
2,6-二氟-4-甲氧基苯甲酸
Molecular Weight
188.128 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point184-185°C
Boiling Point232.0±35.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point94.1±25.9 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2,6-Difluoro-4-methoxybenzoic acid?

The CAS number of 2,6-Difluoro-4-methoxybenzoic acid is 123843-65-2.

What are the molecular formula and molecular weight of 2,6-Difluoro-4-methoxybenzoic acid?

2,6-Difluoro-4-methoxybenzoic acid has molecular formula C8H6F2O3 and molecular weight 188.128 g/mol.

Is 2,6-Difluoro-4-methoxybenzoic acid hazardous?

2,6-Difluoro-4-methoxybenzoic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2,6-Difluoro-4-methoxybenzoic acid (CAS 123843-65-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3192-5 (accessed 2026-10-22).

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