3,4-Difluorophenylacetic acid

3,4-二氟苯乙酸

Also known as: 2-(3,4-Difluorophenyl)acetic acid, (3,4-Difluorophenyl)acetic acid, 3,4-Difluorobenzeneacetic acid, Benzeneacetic acid, 3,4-difluoro-

CAS No.
658-93-5
Jingsj CID
J-35763-4
Molecular Formula
C8H6F2O2
Chinese Name
3,4-二氟苯乙酸
Molecular Weight
172.129 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point46-50 °C(lit.)
Boiling Point263.8±25.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point113.3±23.2 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3,4-Difluorophenylacetic acid?

658-93-5

What are the molecular formula and molecular weight of 3,4-Difluorophenylacetic acid?

C8H6F2O2, molecular weight 172.129 g/mol

Is 3,4-Difluorophenylacetic acid hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026