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Sigma-Aldrich

4-Chloro-2,5-difluorobenzoic acid

98%

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About This Item

Linear Formula:
ClC6H2(F)2CO2H
CAS Number:
132794-07-1
Molecular Weight:
192.55
MDL number:
MFCD00077480
UNSPSC Code:
12352100
PubChem Substance ID:
24868079
NACRES:
NA.22

Assay

98%

mp

154-157 °C (lit.)

SMILES string

OC(=O)c1cc(F)c(Cl)cc1F

InChI

1S/C7H3ClF2O2/c8-4-2-5(9)3(7(11)12)1-6(4)10/h1-2H,(H,11,12)

InChI key

PEPCYJSDHYMIFN-UHFFFAOYSA-N

General description

4-Chloro-2,5-difluorobenzoic acid reacts with substituted 2-hydroxy acetophenones in the presence of POCl3 to afford 2-acetylphenyl-4-chloro-2,5-difluorobenzoate.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Ceramics International, 37(2), 659-663 (2011)
Synthesis of 4-Chloro-2, 5-difluorobenzoic Acid.
Hao-yu Z.
Chemical World, 1, 010-010 (2011)

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