3,4-Difluorophenylacetic acid

CAS No.：658-93-5

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
The purchaser must not use this product, or supply it to another party, for personal consumption, sports or fitness, weight loss, health supplements, food, or animal feed.

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3,4-Difluorophenylacetic acid Basic information

Product Name:	3,4-Difluorophenylacetic acid
Synonyms:	Benzeneacetic acid, 3,4-difluoro-;3,4-DIFLUOROPHENYLACETIC ACID;2-flurobenzyl alcohol;3,4-Difluorophenylacetic acid 98%;3,4-Difluorophenylaceticacid98%;RARECHEM AL BO 0250;3,4-Difluorobenzeneacetic acid;3,4-Difluorophenylacetic acid, 97%+
CAS:	658-93-5
MF:	C8H6F2O2
MW:	172.13
EINECS:	211-527-2
Product Categories:	Fluorine series;Aromatic Phenylacetic Acids and Derivatives;Phenylacetic acid;Miscellaneous;C8;Carbonyl Compounds;Phenylacetic acid series;Fluorobenzene;Carboxylic Acids
Mol File:	658-93-5.mol

3,4-Difluorophenylacetic acid Chemical Properties

Melting point	46-50 °C (lit.)
Boiling point	219°C (rough estimate)
density	1.3010 (estimate)
Fp	>230 °F
storage temp.	Sealed in dry,Room Temperature
form	powder to crystaline
pka	4.06±0.10(Predicted)
color	White to Almost white
BRN	2577768
InChIKey	YCAKYFIYUHHCKW-UHFFFAOYSA-N
CAS DataBase Reference	658-93-5(CAS DataBase Reference)
NIST Chemistry Reference	3,4-Difluorophenylacetic acid(658-93-5)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36-37/39
WGK Germany	3
HazardClass	IRRITANT
HS Code	29163990

MSDS Information

Provider	Language
3,4-Difluorophenylacetic acid	English
SigmaAldrich	English
ACROS	English
ALFA	English

3,4-Difluorophenylacetic acid Usage And Synthesis

Chemical Properties	beige crystalline needles
General Description	The separation of five positional isomers from 3,4-difluorophenylacetic acid has been investigated using normal- and reversed-phase HPLC, capillary zone electrophoresis, gas chromatography and supercritical fluid chromatography.

3,4-Difluorophenylacetic acid Preparation Products And Raw materials

Preparation Products

Benzeneethanol, 3,4-difluoro- (9CI)

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