1.08262

Supelco

Trifluoroacetic acid

for spectroscopy Uvasol®

Synonym(s):
TFA
Linear Formula:
CF3COOH
CAS Number:
Molecular Weight:
114.02
Beilstein/REAXYS Number:
742035
MDL number:
EC Index Number:
200-929-3
Pricing and availability is not currently available.

storage conditions

Store below +30°C.

Quality Level

vapor density

3.9 (vs air)

vapor pressure

97.5 mmHg ( 20 °C)

assay

≥99.8% (acidimetric)

form

liquid

application(s)

UV/Vis spectroscopy: suitable

refractive index

n20/D 1.3 (lit.)

pH

1 (10 g/L in H2O)

bp

72.4 °C (lit.)

mp

−15.4 °C (lit.)

solubility

soluble 10 g/mL

density

1.489 g/mL at 20 °C (lit.)

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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General description

Accurate analytic results in UV/VIS and infrared spectroscopy depend on the use of very pure solvents for sample preparation. The Uvasol<TMSYMBOL></TMSYMBOL> solvents range has been specially designed for spectroscopy and other applications requiring solvents of the highest spectral purity. The refinement process allows a greater degree of security in applications and avoids misinterpretation of analytical results caused by traces of UV, IR and fluorescence contamination. Uvasol<TMSYMBOL></TMSYMBOL> solvents offer best UV transmittance. In all specifications the minimum transmittance for 5 typical wavelengths are identified.

Analysis Note

Assay (acidimetric): ≥ 99.8 %
Water (K. F.): ≤ 0.10 %
Colour number (Apha): ≤ 10
Evaporation residue: ≤ 0.005 %
UV-transmission (at 265 nm): ≥ 10.0 %
UV-transmission (at 305 nm): ≥ 50.0 %
UV-transmission (at 320 nm): ≥ 80.0 %
UV-transmission (from 325 nm): ≥ 90.0 %

Legal Information

UVASOL is a registered trademark of Merck KGaA, Darmstadt, Germany
Certificate of Analysis
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