INTRODUCTION

Trifluoroacetic anhydride is an organic liquid that belongs to the category of fluorochemicals. It is an anhydride of trifluoroacetic acid and has uses in APIs, intermediates, and agrochemicals. It is also a building block to introduce trifluoroacetyl group in organic moieties.

Manufacture

The anhydride is produced by dehydration of trifluoroacetic acid using phosphorous pentoxide or dichloroacetyl chloride.

SynonymsPerfluoroacetic anhydride
TFAA
CAS no.407-25-0
EINECS no.206-982-9
Molecular formulaC4F6O3
Molecular weight210.03
Structure

Applications

APIs
Epirubicin, co-drug for breast cancer treatment
Intermediates
Bis(trifluoroacetoxyiodo)pentafluorobenzene
2-Hydroxy-4-(trifluoroacetyl)pyrimidine
2-(Methylmercapto)-4-(trifluoroacetyl)-pyrimidine
5-Bromopyridine-2-carbaldehyde
Agrochemicals
Chlorfenapyr, a pesticide
Others
Building block to introduce trifluoroacetyl group in organic chemicals
Regioselective synthesis of nitroindoles
Synthesis of alpha-seleno boronates
Bioplastic synthesis by esterification of wood
As dehydrating agent
Used as a reagent in derivative GC to form N- and O-trifluoroacetyl compounds

SPECIFICATIONS

TestUnitSpecifications
Appearance–Clear colourless liquid
Purity by GC% w/wMin 99.5
Trifluoroacetic acid by GC% w/wMax 0.50
FluorideppmMax 50.0
ChlorideppmMax 50.0
SulphateppmMax 500.0

STORAGE

Product is stored at ambient temperature.

PACKING

200 kg Composite drum

REACH STATUS

Registered

ExSyn offers TFAA on commercial scale and welcomes enquiries. No matter the quantity you need, our exceptional quality and service will make ExSyn your supplier of choice ! If you need any additional information or SDS, please get in touch with us.

More Products
In focus: N,N′-Dimethylethylenediamine   
Products in focus · 10/11/2026

N,N′-Dimethylethylenediamine (DMEDA) is an organic chemical compound belonging to the diamine family. It contains two nitrogen atoms, each bearing a methyl group, connected by a two-carbon chain.

READ MORE
In focus: FerroQuant™ Pro (Ferrozine)
Products in focus · 03/11/2026

FerroQuant™ Pro is a water-soluble chromogenic reagent widely used for the spectrophotometric determination of iron. Chemically, it is a ferroin-type ligand that forms a stable, intensely colored complex with ferrous ions (Fe²⁺).

READ MORE
In focus: N-Vinylformamide
Products in focus · 29/10/2026

N-Vinylformamide (NVF) is a vinyl-functionalized amide and an important monomer used in the production of poly(N-vinylformamide) (PNVF). NVF is valued for its ability to undergo polymerization, producing polymers with useful water solubility, film-forming properties, and functional groups suitable for further chemical modification.

READ MORE
In focus: Diacetone Alcohol
Products in focus · 29/09/2026

Diacetone Alcohol (DAA) is an aliphatic hydroxy ketone produced through the base-catalysed aldol addition of two acetone molecules. It contains both ketone and tertiary hydroxyl functionalities, offering excellent solvency and chemical reactivity.

As a high-boiling oxygenated solvent and valuable chemical intermediate, DAA finds broad application in paints and coatings, printing inks, adhesives, industrial cleaning, cosmetics, and textiles. It is also used as an intermediate in the production of mesityl oxide and MIBK. (4-methylpentan-2-one).

READ MORE
In focus: Kojic Acid
Products in focus · 22/09/2026

Kojic acid is a natural fungal metabolite produced through natural fermentation of carbohydrates. It works primarily as a tyrosinase inhibitor, suppressing melanin production to help reduce dark spots and even out skin tone. It also delivers antioxidant benefits, neutralizing free radicals and protecting skin cells from oxidative stress. With its naturally weak acidic profile, kojic acid is a multifunctional ingredient suited for brightening and protective skincare formulations.

READ MORE
In focus: (S)-Oxetan-2-yl-methanamine
Products in focus · 15/09/2026

(S)-Oxetan-2-yl-methanamine is a chiral oxetane-containing primary amine. The compound features a strained four-membered oxetane ring and an aminomethyl substituent, making it a valuable building block in modern medicinal chemistry. Due to its unique physicochemical properties, including increased polarity and metabolic stability compared with conventional alkyl groups, it is widely employed as an advanced pharmaceutical intermediate in drug discovery and development programs.

READ MORE
In focus: Guanidine Carbonate
Products in focus · 08/09/2026

Guanidine carbonate is a white, crystalline, water-soluble compound with an alkaline and ionic nature. Composed of guanidinium cations and carbonate anions, it offers chemical stability, buffering capacity, and good formulation compatibility. In textile applications, it is used in formulations and fabric treatments for its thickening, softening, lubricating, anti-static, and flame-retardant properties, contributing to improved fabric finish and performance.

READ MORE
In focus: Tin(II) sulfide
Products in focus · 01/09/2026

Tin(II) sulfide (SnS) has emerged as a safe and sustainable semiconductor owing to its non-toxicity, low cost, and natural abundance. It has attracted significant interest for solar energy conversion in thin-film photovoltaic devices because of its suitable band gap, which is approximately 1.3 eV in the orthorhombic phase and 1.5-1.7 eV in the cubic phase. In addition to photovoltaic applications, SnS is used in solid-state lubricants, near-infrared detectors, Lithium-ion batteries, and various sensing devices.

READ MORE
In focus: Nikethamide BP (N,N-Diethylnicotamide)
Products in focus · 25/08/2026

Nikethamide is a synthetic organic compound derived from nicotinic acid (vitamin B₃). It consists of a pyridine ring linked to a diethyl amide functional group and belongs to the class of pyridine amide derivatives.

READ MORE