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Merck
CN

61030

Sigma-Aldrich

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
Beilstein:
742035
EC Number:
200-929-3
MDL number:
MFCD00004169
UNSPSC Code:
12352106

Key Documents

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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.)

bp

72.4 °C (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)

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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Legal Information

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

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

Flash Point(F)

>212.0 °F - Pensky-Martens closed cup

Flash Point(C)

> 100 °C - Pensky-Martens closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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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
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
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
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
Hari Charan Meher et al.
Journal of AOAC International, 95(4), 1142-1152 (2012-09-14)
A bottleneck in crosstalk and QC research has been the quantification of diverse chemotypes in small amounts of tissue. An LC-UV method for estimating 28 selected metabolites of the regulatory network underlying growth, development, maintenance, vital functions, defense reactions, and
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