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4-Fluoro-3-(trifluoromethyl)phenylacetic acid

4-氟-3-(三氟甲基)苯乙酸

Also known as: 2-[4-Fluoro-3-(trifluoromethyl)phenyl]acetic acid, 4-Fluorobenzeneacetic acid, 3-(trifluoromethyl)-, Benzeneacetic acid, 4-fluoro-3-(trifluoromethyl)-, 5-(Carboxymethyl)-2-fluorobenzotrifluoride, MFCD00061190, RARECHEM AL BO 0505, QV1R DF CXFFF

4-Fluoro-3-(trifluoromethyl)phenylacetic acid (CAS 220227-47-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H6F4O2 and a molecular weight of 222.136 g/mol. It is also known as 2-[4-Fluoro-3-(trifluoromethyl)phenyl]acetic acid, 4-Fluorobenzeneacetic acid, 3-(trifluoromethyl)- and Benzeneacetic acid, 4-fluoro-3-(trifluoromethyl)-. Key properties include a melting point of 51-55 °C(lit.), a boiling point of 263.1±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 112.9±25.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
220227-47-4
Jingsj CID
J-1516295-9
Molecular Formula
C9H6F4O2
Chinese Name
4-氟-3-(三氟甲基)苯乙酸
Molecular Weight
222.136 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point51-55 °C(lit.)
Boiling Point263.1±35.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point112.9±25.9 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-Fluoro-3-(trifluoromethyl)phenylacetic acid?

The CAS number of 4-Fluoro-3-(trifluoromethyl)phenylacetic acid is 220227-47-4.

What are the molecular formula and molecular weight of 4-Fluoro-3-(trifluoromethyl)phenylacetic acid?

4-Fluoro-3-(trifluoromethyl)phenylacetic acid has molecular formula C9H6F4O2 and molecular weight 222.136 g/mol.

Is 4-Fluoro-3-(trifluoromethyl)phenylacetic acid hazardous?

4-Fluoro-3-(trifluoromethyl)phenylacetic 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-Fluoro-3-(trifluoromethyl)phenylacetic acid (CAS 220227-47-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1516295-9 (accessed 2026-10-25).

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