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1.08262

Supelco

Trifluoroacetic acid

for spectroscopy Uvasol®

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Synonym(s):
TFA
Linear Formula:
CF3COOH
CAS Number:
Molecular Weight:
114.02
Beilstein:
742035
MDL number:
EC Index Number:
200-929-3

vapor density

3.9 (vs air)

Quality Level

vapor pressure

97.5 mmHg ( 20 °C)

Assay

≥99.8% (acidimetric)

form

liquid

technique(s)

UV/Vis spectroscopy: suitable

impurities

≤10% Water (Karl Fischer)

evapn. residue

≤0.005%

color

APHA: ≤10

transmittance

265 nm, ≥10.0%
305 nm, ≥50.0%
320 nm, ≥80.0%
325 nm, ≥90.0%

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.)

storage temp.

2-30°C

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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1.008631.009651.01984
Trifluoroacetic acid for spectroscopy Uvasol®

Supelco

1.08262

Trifluoroacetic acid

Ethyl acetate for spectroscopy Uvasol®

Supelco

1.00863

Ethyl acetate

Tetrachloroethylene for spectroscopy Uvasol®

Supelco

1.00965

Tetrachloroethylene

tert-Butyl methyl ether for spectroscopy Uvasol®

Supelco

1.01984

tert-Butyl methyl ether

vapor pressure

97.5 mmHg ( 20 °C)

vapor pressure

73 mmHg ( 20 °C)

vapor pressure

19 hPa ( 20 °C)

vapor pressure

268 hPa ( 20 °C)

assay

≥99.8% (acidimetric)

assay

≥99.9% (GC)

assay

≥99.9% (GC)

assay

≥99.9% (GC)

form

liquid

form

liquid

form

liquid

form

liquid

impurities

≤10% Water (Karl Fischer)

impurities

≤0.0002 meq/g Acidity, ≤0.0002 meq/g Alkalinity, ≤0.01% Water

impurities

≤0.0005 meq/g Acidity, ≤0.0005 meq/g Alkalinity, ≤0.01% Water, ≤20 ppm Hydrocarbons (related to squalane/squalene(3050-2900 cm-1))

impurities

≤0.0002 meq/g Acidity, ≤0.0002 meq/g Alkalinity, ≤0.01% Water

refractive index

n20/D 1.3 (lit.)

refractive index

n20/D 1.3720 (lit.)

refractive index

-

refractive index

-

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

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Description
Pricing

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

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


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