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Sigma-Aldrich

3,5-Difluorobenzoic acid

97%

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About This Item

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

Assay

97%

mp

121-123 °C (lit.)

SMILES string

OC(=O)c1cc(F)cc(F)c1

InChI

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

InChI key

GONAVIHGXFBTOZ-UHFFFAOYSA-N

General description

3,5-Difluorobenzoic acid forms dimers that were stabilized by hydrogen bonds between carboxyl groups. The on-line determination of 3,5-difluorobenzoic acid in water was studied using membrane inlet mass spectrometry with in-membrane preconcentration.

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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3, 5-Difluorobenzoic acid.
Acta Crystallographica Section E, Structure Reports Online, 63(5), o2754-o2754 (2007)
C S Creaser et al.
Analytical chemistry, 72(13), 2730-2736 (2000-07-25)
The on-line determination of volatile and semivolatile organic compounds (SVOCs) is reported using membrane inlet mass spectrometry with in-membrane preconcentration (IMP-MIMS). Semivolatile organic compounds in aqueous samples are preconcentrated in a flow-through silicone hollow-fiber membrane inlet held in a GC
Riqiang Fu et al.
Journal of magnetic resonance (San Diego, Calif. : 1997), 293, 34-40 (2018-06-12)
A small flip-angle pulse direct polarization is the simplest method commonly used to quantify various compositions in many materials applications. This method sacrifices the sensitivity per scan in exchange for rapid repeating of data acquisition for signal accumulation. In addition

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