4-Formylphenoxyacetic acid

4-甲酰苯氧乙酸

Also known as: 2-(4-Formylphenoxy)acetic acid, 4-Formyl-PAA linker, 4-Formyl-PAA, 4-Carboxymethoxybenzaldehyde, p-Formylphenoxyacetic acid, AKOS AU36-M42, AKOS B004256, ASISCHEM R21550, MFCD00016613

4-Formylphenoxyacetic acid (CAS 22042-71-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H8O4 and a molecular weight of 180.15700 g/mol. It is also known as 2-(4-Formylphenoxy)acetic acid, 4-Formyl-PAA linker and 4-Formyl-PAA. Key properties include a melting point of 193-196 °C, a boiling point of 373.2ºC at 760 mmHg, a density of 1.322 g/cm3 and a flash point of 155.3ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
22042-71-3
Jingsj CID
J-21065-4
Molecular Formula
C9H8O4
Chinese Name
4-甲酰苯氧乙酸
Molecular Weight
180.15700 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point193-196 °C
Boiling Point373.2ºC at 760 mmHg
Density1.322 g/cm3
Flash Point155.3ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-Formylphenoxyacetic acid?

The CAS number of 4-Formylphenoxyacetic acid is 22042-71-3.

What are the molecular formula and molecular weight of 4-Formylphenoxyacetic acid?

4-Formylphenoxyacetic acid has molecular formula C9H8O4 and molecular weight 180.15700 g/mol.

Is 4-Formylphenoxyacetic acid hazardous?

4-Formylphenoxyacetic 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-Formylphenoxyacetic acid (CAS 22042-71-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21065-4 (accessed 2026-10-23).

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