Trifluoroacetic Acid
Trifluoroacetic acid is a corrosive organofluorine compound that is structurally analogous to, but stronger than, acetic acid. Available in various quantities and reagent grades, it is used in NMR spectroscopy, mass spectrometry, organic synthesis, etc.
Almost 100,000-fold more acidic than acetic acid, TFA is widely used in organic chemistry. TFA is used as a reagent in organic synthesis because of its properties: volatility, organic solvent solubility, and acidic strength. It is less oxidizing than sulfuric acid and is more readily available in its anhydrous form than some other acids . Other features include:
- Used in acid-catalyzed reactions, especially peptide synthesis (to cleave esters)
- Dissolves protein when mixed with liquid SO2
- Removes t-butyl derived side-chain protecting groups in Fmoc peptide synthesis
- Can remove the t-butoxycarbonyl protecting group in organic synthesis
- At low concentrations, acts as an ion-pairing agent for peptides and small proteins in organic compound liquid chromatography
- For acid-stable materials, can be a solvent for NMR spectroscopy
- Acts as a calibrant in mass spectrometry
- Used to produce trifluoroacetate salts
- An ingredient in adhesives, sealants, paints, and coatings
When TFA combines with bases and metals, especially light metals, a strong exothermic reaction occurs. When mixed with lithium aluminum hydride (LAH), the reaction is explosive.
Although nonflammable, TFA is corrosive to skin, eyes, and mucous membranes and requires careful use and handling. It is harmful when inhaled, causes severe skin burns and eye damage, and is toxic to aquatic organisms at even low concentrations.
TFA is also a product of the metabolic breakdown of the anesthetic agent halothane. It is the suspected cause of halothane-induced hepatitis.
Acetonitrile with 0.1% Trifluoroacetic acid, LabReady™ Solvent Blend, Honeywell Burdick & Jackson
CAS: 75-05-8 Molecular Formula: C2H3N Molecular Weight (g/mol): 41.053 InChI Key: WEVYAHXRMPXWCK-UHFFFAOYSA-N Synonym: methyl cyanide,cyanomethane,ethanenitrile,methanecarbonitrile,ethyl nitrile,methane, cyano,acetonitrile,cyanure de methyl,methylkyanid,mecn PubChem CID: 6342 ChEBI: CHEBI:38472 IUPAC Name: acetonitrile SMILES: CC#N
Honeywell Chemicals Trifluoroacetic acid, Honeywell Fluka™
CAS: 76-05-1 PubChem CID: 6422 ChEBI: CHEBI:45892
Trifluoroacetic Acid (ca. 0.5mol/L in Water) [Ion-Pair Reagent for LC-MS], TCI America™
CAS: 76-05-1 Molecular Formula: C2HF3O2 Molecular Weight (g/mol): 114.02 MDL Number: MFCD00004169 InChI Key: DTQVDTLACAAQTR-UHFFFAOYSA-N Synonym: trifluoroacetic acid,perfluoroacetic acid,trifluoroethanoic acid,trifluoroacetic acid,acetic acid, trifluoro,trifluoroaceticacid,cf3cooh,trifluoro acetic acid,trifluoro-acetic acid,kyselina trifluoroctova PubChem CID: 6422 ChEBI: CHEBI:45892 IUPAC Name: trifluoroacetic acid SMILES: OC(=O)C(F)(F)F
Reagents Holdings Llc Trifluoroacetic Acid, Reagents
CAS: 76-05-1 Molecular Formula: C2HF3O2 Molecular Weight (g/mol): 114.02 MDL Number: MFCD00004169 InChI Key: DTQVDTLACAAQTR-UHFFFAOYSA-N Synonym: Perfluoroacetic Acid, Trifluoroethanoic Acid IUPAC Name: trifluoroacetic acid SMILES: OC(=O)C(F)(F)F
Covachem LCMS Grade TFA (Trifluoroacetic acid) 25ml
CovaChem's LCMS Grade Trifluoroacetic acid (TFA) is well suited as a chromatography additive for difficult to separate analytes in HPLC and LCMS applications. CovaChem's LCMS TFA is an ideal additive for separations of peptides in peptide synthesis applications. Trifluoroacetic acid is widely used to separate both protected amino acid chains and deprotected peptides. Due to the amino and carboxylate groups having vastly different pka values, synthetic peptides can be particularly challenging to separate, The HPLC separation of peptides is much more easily achieved with 0.1% Trifluoroacetic acid being present in the mobile phase.
Sigma Aldrich Fine Chemicals Biosciences Trifluoroacetic Acid | CAS 76-05-1
Trifluoroacetic Acid | Purity: >=99.0% | M. W.: 114.02 | 76-05-1 | 200-929-3
Medchemexpress LLC Lys-bradykinin trifluoroacetate | 99.9% | 1188.4 g/mol | C56H85N17O12 · x C2HF3O2 | 5 MG
Lys-bradykinin trifluoroacetate is the trifluoroacetic acid (TFA) salt form of the peptide Lys-Bradykinin (kallidin 380-389). It is supplied as a purified powder for research applications where it serves as a ligand for kallidin and bradykinin receptors. Reported purity is 99.85% and the free-base molecular weight is 1188.38 g/mol.
- TFA salt of Lys-Bradykinin peptide.
- High purity (99.85%).
- Provided as a solid powder suitable for dissolution in common solvents.
- Recommended storage: sealed, protected from moisture and light; powder stable at -80°C for up to 2 years.
- Intended for research use as a ligand in receptor binding or signaling studies.
Medchemexpress LLC UNC0379 trifluoroacetate | 1620401-83-3 | MFCD28167817 | 99.9% | 527.58 g·mol⁻¹ | C25H36F3N5O4 | 5MG
UNC0379 trifluoroacetate is the trifluoroacetate salt of UNC0379, a selective substrate-competitive inhibitor of the lysine methyltransferase SETD8 (KMT5A). It is supplied as a high-purity research reagent for biochemical and cellular studies, with reported activity IC50 = 7.3 μM and KD = 18.3 μM. For laboratory research use only.
![Medchemexpress LLC (2S)-2-amino-3-[(3-fluorophenyl)-(2-phenylmethoxyphenyl)methoxy]propanoic acid; TFA | 00-00-0 | 99.8% | 509.45 g·mol⁻¹ | C25H23F4NO6 | 5 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000263712.png-250.jpg)
Medchemexpress LLC (2S)-2-amino-3-[(3-fluorophenyl)-(2-phenylmethoxyphenyl)methoxy]propanoic acid; TFA | 00-00-0 | 99.8% | 509.45 g·mol⁻¹ | C25H23F4NO6 | 5 MG
ALX-1393 TFA is the trifluoroacetate salt of a selective glycine transporter 2 (GlyT2) inhibitor used as a research reagent to investigate glycinergic neurotransmission and nociception. It is supplied as a purified solid for laboratory use and has reported antinociceptive activity in rodent pain models.
- Selective GlyT2 inhibitor for probing glycinergic neurotransmission.
- Research-grade solid suitable for in vitro and in vivo studies.
- High purity (99.83%) supporting reproducible results.
- Molecular formula C25H23F4NO6 and molecular weight 509.45 g·mol⁻¹.
- Store at -20°C to maintain stability and minimize moisture exposure.
Medchemexpress LLC MC-VC-PAB-NH2 TFA | 1616727-21-9 | MFCD00935992 | 99.9% | 772.77 | C33H47F3N8O10 | 5 MG
MC-VC-PAB-NH2 TFA is a cleavable antibody-drug conjugate (ADC) linker used to attach cytotoxic payloads to antibodies and enable intracellular release through enzymatic cleavage. It contains a valine-citrulline dipeptide and a para-aminobenzyl self-immolative spacer and is supplied as the trifluoroacetate salt for stability in research applications.
- Cleavable valine-citrulline linker for cathepsin-mediated payload release.
- Para-aminobenzyl self-immolative spacer to facilitate efficient drug release.
- Supplied as a trifluoroacetate salt for improved stability and handling.
- High purity suitable for research use.
- Soluble in DMSO at high concentration; ultrasonic assistance may be required.
- Store sealed, away from moisture and light; follow recommended low-temperature storage for solutions.
TARGETMOL CHEMICALS INC MM-102 TFA 5MG
Also available in 1 mL, 1 mg, 2 mg, 10 mg, 25 mg, 50 mg, 100 mg and bulk. Please contact Fisher for quotes. MM-102 TFA (HMTase Inhibitor IX TFA) is a potent WDR5/MLL interaction inhibitor with an IC50 of 2.4 nM. This compound prevents the interaction between mixed lineage leukemia 1 (MLL1) and WD Trp-Asp repeat domain 5 (WDR5), inhibiting MLL1 H3K4 histone methyltransferase (HMT) activity and down-regulating H3K4me3, which facilitates the epigenetic reprogramming of porcine somatic cell nuclear transfer embryos. Purity 99.3%
Medchemexpress LLC Box5 (TFA) | 00-00-0 | 99.2% | 880.9 Da | C32H51F3N6O15S2.xC2HF3O2 | 5 MG
Box5 TFA is the trifluoroacetate salt form of a peptide antagonist of Wnt5a used in vitro to study Wnt5a-mediated signaling, calcium release, and cell migration. Supplied in small milligram vials, the material is provided with documentation to support research use.
- Trifluoroacetate salt form for improved solubility and handling.
- Potent antagonist of Wnt5a signaling for pathway studies.
- Inhibits Wnt5a-mediated calcium release and cell migration.
- High purity approximately 99.2% for consistent results.
- Supplied in small milligram sizes suitable for in vitro experiments.
- COA and SDS available for quality and safety verification.