2,3,4,5,6-Pentafluorocinnamic acid
2,3,4,5,6-Pentafluorocinnamic acid (CAS: 719-60-8), with the molecular formula C9H3F5O2 and a molecular weight of 238.11 g/mol, is a fluorinated organic compound. It serves as a valuable building block in organic synthesis. Its structure, featuring a pentafluorophenyl group attached to a propenoic acid moiety, makes it useful in the development of novel materials and chemical intermediates.
- IUPAC
- 3-(Pentafluorophenyl)-2-propenoic acid
- Synonyms
- 5,6-Pentafluorocinnamic acid719-60-8C6F5CH=CHCO2H3-(Pentafluorophenyl)-2-propenoic acid

Organic Synthesis Intermediate
This compound is utilised as a key intermediate in the synthesis of more complex fluorinated organic molecules. Its reactive functional groups allow for various chemical transformations, making it a versatile building block.
Materials Science Research
The presence of the pentafluorophenyl group suggests potential applications in materials science, particularly in the development of polymers or functional materials where fluorination imparts specific properties like thermal stability or altered electronic characteristics.
Pharmaceutical and Agrochemical Development
As a fluorinated building block, it can be incorporated into the design of new pharmaceutical candidates or agrochemicals, where fluorine atoms often modulate biological activity, lipophilicity, and metabolic stability.
| Molecular weight | 238.11 |
|---|---|
| Linear formula | C6F5CH=CHCO2H |
| Assay | 97% |
| Melting point | 154-156 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 2,3,4,5,6-Pentafluorocinnamic acid used for?
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2,3,4,5,6-Pentafluorocinnamic acid is primarily used as a building block in organic synthesis, for research in materials science, and in the development of pharmaceutical and agrochemical compounds.
What are the CAS number and molecular formula?
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The CAS number for 2,3,4,5,6-Pentafluorocinnamic acid is 719-60-8, and its molecular formula is C9H3F5O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,3,4,5,6-Pentafluorocinnamic acid with an assay of 97%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeial grade.
How should 2,3,4,5,6-Pentafluorocinnamic acid be handled?
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Handling requires caution. It is a warning signal word compound with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, such as a dust mask (type N95 US), eyeshields, and gloves, should be used. Ensure adequate ventilation.
Is this compound available for export?
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Yes, Tech Serve Solutions specialises in the global supply and export of fine chemicals, including 2,3,4,5,6-Pentafluorocinnamic acid.
How can I request a quote or sample?
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To request a quote or a sample of 2,3,4,5,6-Pentafluorocinnamic acid, please contact the TSS sales team through our website or by phone.
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