Trifluoroacetic acid
SIAL/900518 - anhydrous, ZerO2®, ≥99.0%
Synonym: Degassed and low oxygen trifluoroacetic acid; Trifluoroacetic acid ZerO2®; TFA
CAS Number: 76-05-1
Empirical Formula (Hill Notation): C2HF3O2
Molecular Weight: 114.02
EC Number: 200-929-3
MDL Number: MFCD00004169
Linear Formula: CF3COOH
Product Type: Chemical
| assay | ≥99.0% |
| bp | 72.4 °C (lit.) |
| density | 1.489 g/mL at 20 °C (lit.) |
| form | liquid |
| grade | ZerO2® |
| InChI | 1S/C2HF3O2/c3-2(4,5)1(6)7 |
| InChI key | DTQVDTLACAAQTR-UHFFFAOYSA |
| mp | −15.4 °C (lit.) |
| quality | anhydrous |
| Quality Level | 100  |
| refractive index | n |
| SMILES string | OC(C(F)(F)F)=O |
| vapor density | 3.9 (vs air) |
| vapor pressure | 97.5 mmHg ( 20 °C) |
| Application: | ZerO2 products are rigorously degassed with highly pure inert gas providing solvents and solutions (anhydrous if specified) with very low residual oxygen content. |
| Legal Information: | ZerO2 is a registered trademark of Sigma-Aldrich Co. LLC |
| Symbol |   GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H314 - H332 - H412 |
| Precautionary statements | P261 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| RIDADR | UN 2699 8 / PGI |
| WGK Germany | WGK 2 |
| Flash Point(F) | 212.0 °F - Pensky-Martens c |
| Flash Point(C) | > 100 °C - Pensky-Martens c |
| Purity | ≥99.0% |
| bp | 72.4 °C (lit.) |
| mp | −15.4 °C (lit.) |
| Density | 1.489 g/mL at 20 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352106 |