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00922

Supelco

Difluoroacetic acid

for LC-MS LiChropur, ≥97.5% (GC)

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Synonym(s):
DFA
Linear Formula:
F2CHCO2H
CAS Number:
Molecular Weight:
96.03
Beilstein:
1098588
MDL number:

Assay

≥97.5% (GC)
97.5-102.5% (T)

technique(s)

LC/MS: suitable

refractive index

n20/D 1.344 (lit.)

bp

132-134 °C (lit.)

mp

−1 °C (lit.)

density

1.526 g/mL at 25 °C (lit.)

cation traces

Al: ≤5 ppm
Ca: ≤20 ppm
Cu: ≤5 ppm
Fe: ≤2 ppm
K: ≤50 ppm
Mg: ≤5 ppm
Na: ≤50 ppm

suitability

passes test for LC-MS

SMILES string

OC(=O)C(F)F

InChI

1S/C2H2F2O2/c3-1(4)2(5)6/h1H,(H,5,6)

InChI key

PBWZKZYHONABLN-UHFFFAOYSA-N

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1 of 4

This Item
1428591.08262299537
Difluoroacetic acid for LC-MS LiChropur™, ≥97.5% (GC)

Supelco

00922

Difluoroacetic acid

Difluoroacetic acid 98%

Sigma-Aldrich

142859

Difluoroacetic acid

Trifluoroacetic acid for spectroscopy Uvasol®

Supelco

1.08262

Trifluoroacetic acid

Trifluoroacetic acid ≥99%, for protein sequencing

Sigma-Aldrich

299537

Trifluoroacetic acid

refractive index

n20/D 1.344 (lit.)

refractive index

n20/D 1.344 (lit.)

refractive index

n20/D 1.3 (lit.)

refractive index

n20/D 1.3 (lit.)

bp

132-134 °C (lit.)

bp

132-134 °C (lit.)

bp

72.4 °C (lit.)

bp

72.4 °C (lit.)

mp

−1 °C (lit.)

mp

−1 °C (lit.)

mp

−15.4 °C (lit.)

mp

−15.4 °C (lit.)

density

1.526 g/mL at 25 °C (lit.)

density

1.526 g/mL at 25 °C (lit.)

density

1.489 g/mL at 20 °C (lit.)

density

1.489 g/mL at 20 °C (lit.)

cation traces

Al: ≤5 ppm, Ca: ≤20 ppm, Cu: ≤5 ppm, Fe: ≤2 ppm, K: ≤50 ppm, Mg: ≤5 ppm, Na: ≤50 ppm

cation traces

-

cation traces

-

cation traces

-

General description

Compared to trifluoroacetic acid (TFA), difluoroacetic acid (DFA) exhibits an improved sensitivity in mass spectral detection (ESI) as it has a reduced effect on ion suppression in reversed-phase liquid chromatography (RPLC-MS), while keeping its strong chromatographic performance enhancing effects.

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Discover LiChropur reagents ideal for HPLC or LC-MS analysis

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1A

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

172.4 °F - closed cup

Flash Point(C)

78 °C - closed cup


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