Trifluoroacetic acid, anhydride with trifluoromethanesulfonic acid
Trifluoroacetic acid, anhydride with trifluoromethanesulfonic acid (CAS: 68602-57-3) is a potent trifluoroacetylating agent with the linear formula CF₃SO₃COCF₃ and a molecular weight of 246.09 g/mol. This compound is recognised for its powerful reactivity in organic synthesis. Its applications primarily revolve around its use as a key reagent in various chemical transformations, facilitating the introduction of trifluoroacetyl groups. TSS offers this chemical for research and synthesis purposes.
- IUPAC
- Trifluoroacetic trifluoromethanesulfonic anhydride,Trifluoroacetyl triflate
- Synonyms
- CF3SO3COCF3Trifluoroacetyl triflate

Trifluoroacetylation Reagent
This compound serves as a powerful agent for trifluoroacetylation reactions. It efficiently introduces the trifluoroacetyl group, a moiety valuable in organic synthesis for modifying molecular properties.
Organic Synthesis Building Block
As a reactive anhydride, it functions as a versatile building block in the construction of complex organic molecules. Its specific reactivity enables precise chemical modifications.
Chemical Synthesis Applications
Its strong electrophilic nature makes it suitable for various chemical synthesis applications where activating or derivatizing agents are required. It is particularly useful in reactions involving alcohols and amines.
| Molecular weight | 246.09 |
|---|---|
| Linear formula | CF3SO3COCF3 |
| Assay | 90% |
| Boiling point | 62-63 °C(lit.) |
| Vapour pressure | 400 mmHg (21.1 °C) |
| Storage temperature | 2-8°C |
| Application | Powerful trifluoroacetylating agent.1 |


Hazard statements
- H301Toxic if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Transport (UN / ADR) | UN 2922 6.1(8) / PGI |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,C |
| Risk statements (R) | 25-34 |
| Safety statements (S) | 26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Trifluoroacetic acid, anhydride with trifluoromethanesulfonic acid used for?
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This compound is primarily used as a powerful trifluoroacetylating agent in organic synthesis.
What is the CAS number and formula for Trifluoroacetic acid, anhydride with trifluoromethanesulfonic acid?
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The CAS number is 68602-57-3, and the linear formula is CF₃SO₃COCF₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 90%. It is supplied for research and laboratory use, and TSS does not represent it as USP, BP, or EP grade.
What are the primary safety concerns when handling this chemical?
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This compound is classified as Dangerous (Danger) and is corrosive. It is toxic if swallowed and causes severe skin burns and eye damage. Always handle with appropriate personal protective equipment in a well-ventilated area.
How is this product shipped and exported?
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This product is shipped and exported in compliance with all relevant dangerous goods regulations. Please contact TSS for specific shipping details and international export requirements.
How can I request a quote or sample?
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To request a quote or sample, please contact the Tech Serve Solutions sales team through our website or by phone, providing the product name and CAS number.
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