English En

Trifluoroacetic acid, peptide synthesis grade

- 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. 99,5 %
identity (IR-spectrum): passes test
density (20º/4º): 1,487 - 1,489
chlorides (Cl): max. 0,001 %
fluorides (F): max. 0,005 %
sulfates (SO4): max. 0,001 %
residue on ignition (as SO4): max. 0,001 %
water (K.F.): max. 0,05 %