900666

Bruker standard solvent

suitable for MALDI-MS, 50% ACN + 47.5% H₂O + 2.5% TFA

• Sinónimos: Trifluoroacetic acid solution, TFA in H₂O/ACN, TFA
• Fórmula lineal: CF₃COOH
• Número de CAS: 76-05-1
• Peso molecular: 114.02
• Beilstein/REAXYS Number: 5446934
• MDL number: MFCD00004169
• UNSPSC Code: 12352106
• NACRES: NA.24

Propiedades

• vapor density: 3.9 (vs air)
• Quality Level: 100
• vapor pressure: 97.5 mmHg
• form: liquid
• contains: 2.5% trifluoroacetic acid; 47.5% H₂O; 50% acetonitrile
• technique(s): MALDI-MS: suitable
• bp: 72.4 °C (lit.)
• mp: -15 °C (lit.)
• density: 0.921 at 25 °C
• cation traces: Ba: ≤5 ppm; Ca: ≤20 ppm; Cd: ≤5 ppm; Co: ≤5 ppm; Cr: ≤5 ppm; Cu: ≤5 ppm; Fe: ≤20 ppm; K: ≤20 ppm; Mg: ≤5 ppm; Mn: ≤5 ppm; Na: ≤20 ppm; Ni: ≤5 ppm; Pb: ≤5 ppm; Zn: ≤5 ppm
• application(s): general analytical
• SMILES string: OC(=O)C(F)(F)F
• InChI: 1S/C2HF3O2/c3-2(4,5)1(6)7/h(H,6,7)
• InChI key: DTQVDTLACAAQTR-UHFFFAOYSA-N

Descripción

General description

Trifluoroacetic acid (TFA) is a nonaqueous solvent. At room temperature, TFA has the ability to liquify native and regenerated celluloses.

Biochem/physiol Actions

Trifluoroacetic acid (TFA) is mainly preferred as an internal chemical shift referencing agent in 19F NMR.

Información de seguridad

• pictograms: GHS02,GHS07
• signalword: Danger
• hcodes: H225,H302,H315,H319
• pcodes: P210 - P233 - P240 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 2
• flash_point_f: 44.6 °F
• flash_point_c: 7 °C