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80457

Trifluoroacetic acid

eluent additive for LC-MS, LiChropur, ≥99.0% (GC)

Synonym(s):

TFA

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About This Item

Linear Formula:
CF3COOH
CAS Number:
Molecular Weight:
114.02
EC Number:
200-929-3
UNSPSC Code:
41116105
NACRES:
NB.21
Beilstein/REAXYS Number:
742035
MDL number:
Assay:
≥99.0% (GC)
Form:
liquid
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vapor density

3.9 (vs air)

Quality Segment

vapor pressure

97.5 mmHg ( 20 °C)

product line

LiChropur

assay

≥99.0% (GC)

form

liquid

technique(s)

LC/MS: suitable

impurities

≤0.05% water, ≤50 mg/kg total sulfur (as SO4)

refractive index

n20/D 1.3 (lit.)

bp

72.4 °C (lit.)

mp

−15.4 °C (lit.)

solubility

water: soluble 10,000 g/L

density

1.489 g/mL at 20 °C (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg, sulfite (SO32-): ≤10 mg/kg

cation traces

Ag: ≤0.05 mg/kg, Al: ≤0.1 mg/kg, Ba: ≤0.1 mg/kg, Bi: ≤0.5 mg/kg, Ca: ≤0.5 mg/kg, Cd: ≤0.1 mg/kg, Co: ≤0.05 mg/kg, Cr: ≤0.1 mg/kg, Cu: ≤0.05 mg/kg, Fe: ≤1.0 mg/kg, K: ≤1.0 mg/kg, Li: ≤0.1 mg/kg, Mg: ≤1.0 mg/kg, Mn: ≤0.1 mg/kg, Mo: ≤0.05 mg/kg, NH4+: ≤10 mg/kg, Na: ≤1.0 mg/kg, Ni: ≤0.1 mg/kg, Pb: ≤0.05 mg/kg, Sr: ≤0.05 mg/kg, Tl: ≤0.1 mg/kg, Zn: ≤0.1 mg/kg

SMILES string

OC(C(F)(F)F)=O

UV absorption

λ: 260 nm Amax: ≤0.9, λ: 270 nm Amax: ≤0.1, λ: 280 nm Amax: ≤0.08, λ: 290 nm Amax: ≤0.07, λ: 300 nm Amax: ≤0.06, λ: 320 nm Amax: ≤0.05

suitability

passes test for LC-MS

InChI

1S/C2HF3O2/c3-2(4,5)1(6)7/h(H,6,7)

InChI key

DTQVDTLACAAQTR-UHFFFAOYSA-N

General description

Trifluoroacetic acidis commonly used as a mobile phase additive in liquid chromatography.

Application

Trifluoroacetic acid may be used as a mobile phase additive for the analysis of basic compounds in liquid chromatography.

Be aware that current batches might contain oxidizing impurities and are not suitable for peptide analysis.

Features and Benefits

  • Extensive QC testing
  • Low levels of inorganic and organic impurities

Packaging

Clear borosilicateglass, high hydrolytic resistance (Type I)

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany


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supp_hazards

Hazard Classifications

Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Eye Dam. 1 - Repr. 2 - Skin Corr. 1A

Signal Word

Danger

Storage Class

8B - Non-combustible corrosive hazardous materials



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