TRIFLUOROACETIC ACID FOR PROTEIN SEQUENCE ANALYSIS

Code: 1081780050 D2-231

Analysis Note

Assay (acidimetric): ≥ 99.7 %Identity (IR-spectrum): passes testDensity (d 20 °C/20 °C): about 1.53Boiling point: about 72 °CWater (accordi...


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Analysis Note

Assay (acidimetric): ≥ 99.7 %Identity (IR-spectrum): passes testDensity (d 20 °C/20 °C): about 1.53Boiling point: about 72 °CWater (according to Karl Fischer): ≤ 0.02 %

Application

Trifluoroacetic acid (TFA) can be used as an ion-pairing agent in a reverse-phase HPLC system to separate peptides because it enhances peak resolution. It also has low absorption detection wavelengths and is relatively volatile and can be easily removed. For the majority of peptide separations, TFA has been used at concentrations ranging from 0.05 to 0.1%(6.5-13 mM).

assay≥99.7% (acidimetric)
bp72.4 °C (lit.)
density1.489 g/mL at 20 °C (lit.)
formliquid
impurities≤0.02% Water (Karl Fischer)
InChI keyDTQVDTLACAAQTR-UHFFFAOYSA-N
InChI1S/C2HF3O2/c3-2(4,5)1(6)7/h(H,6,7)
mp−15.4 °C (lit.)
pH1 (10 g/L in H2O)
Quality Level200
refractive indexn20/D 1.3 (lit.)
SMILES stringOC(C(F)(F)F)=O
solubilitysoluble 10 g/mL
storage temp.2-30°C
vapor density3.9 (vs air)
vapor pressure97.5 mmHg ( 20 °C)
Cas Number76-05-1
Hazard Class8
Un Number2699
Pack GroupI
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