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Key Documents

302031

Sigma-Aldrich

Trifluoroacetic acid

suitable for HPLC, ≥99.0%

Synonym(s):

TFA

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About This Item

Linear Formula:
CF3COOH
CAS Number:
Molecular Weight:
114.02
Beilstein:
742035
EC Number:
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.21

vapor density

3.9 (vs air)

Quality Level

vapor pressure

97.5 mmHg ( 20 °C)

Assay

≥99.0%

form

liquid

technique(s)

HPLC: suitable
UV/Vis spectroscopy: suitable

impurities

<0.050% water

evapn. residue

<0.005%

refractive index

n20/D 1.3 (lit.)

pH

1 (20 °C, 10 g/L)

bp

72.4 °C (lit.)

mp

−15.4 °C (lit.)

solubility

water: soluble

density

1.489 g/mL at 20 °C (lit.)

λ

H2O reference

UV absorption

λ: 260 nm Amax: 0.9
λ: 270 nm Amax: 0.10
λ: 280 nm Amax: 0.05
λ: 290 nm Amax: 0.04
λ: 300 nm Amax: 0.03
λ: 320 nm Amax: 0.025

application(s)

food and beverages

SMILES string

OC(C(F)(F)F)=O

InChI

1S/C2HF3O2/c3-2(4,5)1(6)7/h(H,6,7)

InChI key

DTQVDTLACAAQTR-UHFFFAOYSA-N

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Application

Appropriate for trace environmental analysis.
Used as a:
  • Mobile phase component in the estimation of chlorogenic acid and rutin in Rosaceae extracts by HPLC
  • Solvent to extract rabbit plasma, followed by HPLC purification of plasma protein content
  • Mobile phase solvent for separation of amino acids extracted from sediments, prior to HPLC analysis

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Description
Pricing

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 2


Certificates of Analysis (COA)

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Macro- and micromethods for the determination of serum vitamin A using trifluoroacetic acid.
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The Journal of nutrition, 79, 454-462 (1963-04-01)
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Journal of chromatography. A, 1216(4), 685-699 (2008-09-19)
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