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900666

Sigma-Aldrich

Bruker standard solvent

suitable for MALDI-MS, 50% ACN + 47.5% H2O + 2.5% TFA

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Synonym(s):
Trifluoroacetic acid solution, TFA in H2O/ACN, TFA
Linear Formula:
CF3COOH
CAS Number:
76-05-1
Molecular Weight:
114.02
Beilstein:
5446934
MDL number:
MFCD00004169
UNSPSC Code:
12352106
NACRES:
NA.24

vapor density

3.9 (vs air)

Quality Level

100

vapor pressure

97.5 mmHg

form

liquid

contains

2.5% trifluoroacetic acid
47.5% H2O
50% acetonitrile

technique(s)

MALDI-MS: suitable

bp

72.4 °C (lit.)

mp

-15 °C (lit.)

density

0.921 at 25 °C

cation traces

Ba: ≤5 ppm
Ca: ≤20 ppm
Cd: ≤5 ppm
Co: ≤5 ppm
Cr: ≤5 ppm
Cu: ≤5 ppm
Fe: ≤20 ppm
K: ≤20 ppm
Mg: ≤5 ppm
Mn: ≤5 ppm
Na: ≤20 ppm
Ni: ≤5 ppm
Pb: ≤5 ppm
Zn: ≤5 ppm

SMILES string

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

InChI

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

InChI key

DTQVDTLACAAQTR-UHFFFAOYSA-N

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General description

Trifluoroacetic acid (TFA) is a nonaqueous solvent. At room temperature, TFA has the ability to liquify native and regenerated celluloses.

Biochem/physiol Actions

Trifluoroacetic acid (TFA) is mainly preferred as an internal chemical shift referencing agent in 19F NMR.

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Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Statements

H225,H302,H315,H319

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2

WGK

WGK 2

Flash Point(F)

44.6 °F

Flash Point(C)

7 °C

Regulatory Information

危险化学品

Certificates of Analysis (COA)

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