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Trifluoroacetic anhydride

CAS Number
407-25-0
EC Number
206-982-9
Chemical Formula
C4F6O3
Molecular Weight
210.03 g/mol

Description

Trifluoroacetic anhydride (CAS 407-25-0 ), commonly abbreviated as TFAA, is a highly reactive acylating agent used across pharmaceutical synthesis, specialty polymer production, and chemical manufacturing. It activates and protects functional groups in complex organic molecules, enabling reactions that would otherwise require harsher or less selective conditions for the manufacturer. In pharmaceutical and agrochemical synthesis, TFAA introduces trifluoroacetyl groups to amines, alcohols, and other nucleophiles, supporting the production of APIs and intermediates. Polymer and specialty materials manufacturers use it to modify surface properties and introduce fluorine content into polymer backbones, improving thermal stability and flame retardant performance. In textile and leather processing, TFAA-based treatments contribute to surface modification and preservation chemistry, extending material durability and enhancing the quality of the finished goods. Printing and packaging applications leverage its reactivity in the preparation of specialty coatings and functional additives where controlled acylation is required for high-performance results. TFAA is supplied as a colorless liquid, typically in high-purity grades suited to pharmaceutical and fine chemical synthesis. Standard commercial offerings include reagent-grade and technical-grade specifications. Purity levels are commonly at 99% or higher for synthesis-critical applications. Packaging ranges from small laboratory quantities to bulk drums for industrial procurement and large-scale operations. Contact us for supply of Trifluoroacetic anhydride Request Quote

Other Names (Synonyms)

Trifluoroacetic acid anhydride | Bis(trifluoroacetic) anhydride | Perfluoroacetic anhydride | Trifluoroacetyl anhydride | Hexafluoroacetic anhydride | Anhydrid kyseliny trifluoroctove | 5ENA87IZHT | TFAA

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point-65 °C
Boiling Point40 °C
Density1.511 g/cm³ (liquid)
Flash Point-26 °C
AppearanceClear, colorless liquid
ColorClear
FormLiquid
Water SolubilityHydrolysis
Vapor Pressure6.28 psi ( 20 °C)
Refractive Indexn 20/D 1.3(lit.)
Log P0.79 at 25℃

Safety & Handling

Danger
GHS05· CorrosiveGHS07· IrritantGHS08· Health Hazard

Hazard Statements

H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H332Harmful if inhaled
H412Harmful to aquatic life with long lasting effects

Precautionary Statements

P203Obtain, consult and follow expert instructions for use.
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash … thoroughly after handling.
P271Use only outdoors or in a well-ventilated area.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P316Get emergency medical help immediately.
P317Get emergency medical help.
P318IF exposed or concerned, get medical advice.
P321Specific treatment (see … on this label).
P363Wash contaminated clothing before reuse.
P405Store locked up.
P501Dispose of contents/container in accordance with local regulations.
P265Wash … thoroughly after handling.
P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P331Rinse mouth. Do NOT induce vomiting.
P354IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code29159080
UN Number3265
ADR Class8
Packing GroupI
Storage Class8B - Non-combustible corrosive hazardous materials
WGK (Germany)2