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263516

Sigma-Aldrich

2,3-Difluorobenzoic acid

98%

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About This Item

Linear Formula:
F2C6H3CO2H
CAS Number:
Molecular Weight:
158.10
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

98%

mp

163-165 °C (lit.)

SMILES string

OC(=O)c1cccc(F)c1F

InChI

1S/C7H4F2O2/c8-5-3-1-2-4(6(5)9)7(10)11/h1-3H,(H,10,11)

InChI key

JLZVIWSFUPLSOR-UHFFFAOYSA-N

General description

2,3-Difluorobenzoic acid forms dimers that are stabilized by hydrogen bonds.

Application

2,3-Difluorobenzoic acid has been used as a tracer for determining the extent of recovery of materials injected into oil wells.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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)

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Aleksandra A Knapik et al.
Acta crystallographica. Section E, Structure reports online, 64(Pt 2), o466-o466 (2008-01-01)
2,3-Difluoro-benzoic acid, C(7)H(4)F(2)O(2), forms dimers that are stabilized by hydrogen bonds. The dimers are stacked and the stacks are held together by weak C-H⋯F and C-H⋯O inter-actions.

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