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Merck

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:
76-05-1
Molecular Weight:
114.02
Beilstein:
742035
EC Number:
200-929-3
MDL number:
MFCD00004169
UNSPSC Code:
12352106
PubChem Substance ID:
329753348
NACRES:
NA.21

Key Documents

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vapor density

3.9 (vs air)

Quality Level

200

vapor pressure

97.5 mmHg ( 20 °C)

Assay

≥99.0%

form

liquid

concentration

≥99,0%

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: 1.0
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

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H314,H332,H412

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

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Certificates of Analysis (COA)

Lot/Batch Number
STBK6505
STBK2887
STBK5394
MKCL3567
SHBM6900

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Guangfa Shi et al.
Organic letters, 17(1), 38-41 (2014-12-18)
Direct trifluoromethylation of arenes using TFA as the trifluoromethylating reagent was achieved with Ag as the catalyst. This reaction not only provides a new protocol for aryl C-H trifluoromethylation, but the generation of CF3· from TFA may prove useful in
Kwang Su Kim et al.
ACS applied materials & interfaces, 5(9), 3591-3598 (2013-04-05)
Graphene-based electrochemical impedance sensors have recently received much attention due to their outstanding sensing capability and economic viability. In this study, we present a novel means of constructing an impedance sensing platform via harnessing intrinsic π-stacking interactions between probe protein
W C Mahoney et al.
The Journal of biological chemistry, 255(23), 11199-11203 (1980-12-10)
A method employing reverse phase high performance liquid chromatography has been developed for the purification of large denatured peptides. The cyanogen bromide fragments of hemoglobin alpha, beta, and gamma chains (13 to 91 residues in length) could be separated and
Luz M Hernández-Maldonado et al.
Nutrients, 11(7) (2019-07-25)
Mango (Mangifera indica L.) is a tropical fruit which is considered to be a source of dietary fiber (DF) and phenolic compounds (PCs). In this study, high DF mango-based fruit bars were developed from whole mango (peel and pulp). The
Continuous-flow synthesis of the anti-malaria drug artemisinin.
François Lévesque et al.
Angewandte Chemie (International ed. in English), 51(7), 1706-1709 (2012-01-18)
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