4-(Difluoromethoxy)benzoic acid

4-(二氟甲氧基)苯甲酸

Also known as: p-(Difluoromethoxy)benzoic acid, 4-Difluoromethoxybenzoic acid, α,α-Difluoro-p-anisic acid, Benzoic acid, 4-(difluoromethoxy)-, AKOS B006807, RARECHEM AL BO 0735, TIMTEC-BB SBB003678, MFCD00221454, 4-(DIFLUOROMETHOXY)BENZOIC ACID

4-(Difluoromethoxy)benzoic acid (CAS 4837-20-1) 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 p-(Difluoromethoxy)benzoic acid, 4-Difluoromethoxybenzoic acid and α,α-Difluoro-p-anisic acid. Key properties include a melting point of 169-171 °C(lit.), a boiling point of 272.1±30.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 118.3±24.6 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4837-20-1
Jingsj CID
J-1335257-6
Molecular Formula
C8H6F2O3
Chinese Name
4-(二氟甲氧基)苯甲酸
Molecular Weight
188.128 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point169-171 °C(lit.)
Boiling Point272.1±30.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point118.3±24.6 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-(Difluoromethoxy)benzoic acid?

The CAS number of 4-(Difluoromethoxy)benzoic acid is 4837-20-1.

What are the molecular formula and molecular weight of 4-(Difluoromethoxy)benzoic acid?

4-(Difluoromethoxy)benzoic acid has molecular formula C8H6F2O3 and molecular weight 188.128 g/mol.

Is 4-(Difluoromethoxy)benzoic acid hazardous?

4-(Difluoromethoxy)benzoic 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. "4-(Difluoromethoxy)benzoic acid (CAS 4837-20-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1335257-6 (accessed 2026-10-22).

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