Acido trifluoroacetico, eluente additivo per LC-MS

- Synonyms: Perfluoroacetic acid, TFA
- CF3COOH
- M = 114,02 g/mol
- CAS [76-05-1]
- EINECS-No.: 200-929-3
- Density: 1,48 g/cm3
- Solub. in water: (20 ºC): freely miscible
- Melting point: -15 ºC
- Boiling point: 72 ºC
- Vapour pressure: (20 ºC) 11 hPa
- Dielectric const.: (25 ºC) 42,1
- EC-Index-No.: 607-091-00-1
- ADR: 8 C3 I UN 2699
- IMDG: 8 I UN 2699
- IATA/ICAO: 8 I UN 2699
- GHS-signal word: Danger
- GHS-H sentences: H314 - H332 - H412
- GHS-P sentences: P260 - P301+P310 - P303+P361+P353 - P305+P351+P338 - P405 - P501a
- Tariff number: 2915 90 70 90
- Applications: analytical chemistry, for nuclear magnetic resonance spectroscopy.

SPECIFICATIONS
assay (acidimetric): min. 99 %
aluminium (Al): max. 0,05 ppm
barium (Ba): max. 0,05 ppm
cadmium (Cd): max. 0,05 ppm
calcium (Ca): max. 0,2 ppm
chromium (Cr): max. 0,05 ppm
cobalt (Co): max. 0,02 ppm
copper (Cu): max. 0,02 ppm
iron (Fe): max. 0,2 ppm
lead (Pb): max. 0,1 ppm
lithium (Li): max. 0,02 ppm
magnesium (Mg): max. 0,5 ppm
manganese (Mn): max. 0,05 ppm
molybdenum (Mo): max. 0,02 ppm
nickel (Ni): max. 0,05 ppm
potassium (K): max. 0,1 ppm
sodium (Na): max. 0,5 ppm
strontium (Sr) : max. 0,02 ppm
thallium (Tl): max. 0,05 ppm
zinc (Zn): max. 0,1 ppm
water (K.F.): max. 0,05 %

suitability for use in LC-MS: passes test

wavelength:: A (AU)
260 nm: 0,90 AU
270 nm: 0,10 AU
280 nm: 0,05 AU
290 nm: 0,04 AU
300 nm: 0,03 AU
320 nm: 0,025 AU