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Merck
CN

61030

Trifluoroacetic acid

≥99% (alkalimetric)

Synonym(s):

TFA

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About This Item

Linear Formula:
CF3COOH
CAS Number:
76-05-1
Molecular Weight:
114.02
EC Number:
200-929-3
UNSPSC Code:
12352106
MDL number:
MFCD00004169
Beilstein/REAXYS Number:
742035

Key Documents

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InChI

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

InChI key

DTQVDTLACAAQTR-UHFFFAOYSA-N

SMILES string

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

vapor density

3.9 (vs air)

vapor pressure

97.5 mmHg ( 20 °C)

assay

≥99% (alkalimetric)

color

APHA: ≤25

refractive index

n20/D 1.3 (lit.)

mp

−15.4 °C (lit.)

density

1.489 g/mL at 20 °C (lit.)

suitability

clear, colorless for appearance (liquid), in accordance for identity (IR)

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Legal Information

Riedel-de Haën is a registered trademark of Honeywell Specialty Chemicals Seelze GmbH.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

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

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 2

flash_point_f

>212.0 °F - Pensky-Martens closed cup

flash_point_c

> 100 °C - Pensky-Martens closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

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Alan Chuan-Ying Lai et al.
Rapid communications in mass spectrometry : RCM, 26(18), 2186-2194 (2012-08-14)
Despite advances in mass spectrometry (MS)-based identification, effective phosphopeptide enrichment is a prerequisite towards comprehensive phosphoproteomic analysis. Based on the different binding affinities and coordination geometries of the Ti(4+) and Fe(3+) ions with the phosphate group, we report a complementary
Pasquale Palladino et al.
Organic letters, 14(24), 6346-6349 (2012-12-06)
A novel method for cleaving from resin and removing acid-labile protecting groups for the Fmoc solid-phase peptide synthesis is described. 0.1 N HCl in hexafluoroisopropanol or trifluoroethanol cleanly and rapidly removes the tert-butyl ester and ether, Boc, trityl, and Pbf
S V Stovbun et al.
Bulletin of experimental biology and medicine, 153(6), 843-845 (2012-11-01)
The dynamics of string growth was studied in model homochiral solutions of biomimetics, trifluoroacetylated amino alcohols (TFAAA) in heptane, water, and inverted heptane-water emulsion. In heptane and water, a thick (~1 μ in diameter) string had a crown of thin
Yusuke Kawashima et al.
Proteomics, 13(5), 751-755 (2013-01-10)
LC-ESI/MS/MS-based shotgun proteomics is currently the most commonly used approach for the identification and quantification of proteins in large-scale studies of biomarker discovery. In the past several years, the shotgun proteomics technologies have been refined toward further enhancement of proteome
Xuan Ye et al.
The Journal of organic chemistry, 78(5), 2083-2090 (2012-11-20)
The stereochemical course of the amidopalladation of alkenes has important implications for the development of enantioselective Pd-catalyzed "Wacker-type" oxidative amidation of alkenes. We have recently shown that the addition of base (Na2CO3) can alter the stereochemical course of amidopalladation in
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