3,5-Bis(trifluoromethyl)pyrazole
3,5-Bis(trifluoromethyl)pyrazole (CAS: 14704-41-7) is a fluorinated heterocyclic compound with the molecular formula C5H2F6N2 and a molecular weight of 204.07 g/mol. This building block is recognised for its utility in organic synthesis. It is primarily employed as an intermediate in the development of novel compounds, particularly within pharmaceutical and agrochemical research, owing to the unique properties conferred by its trifluoromethyl groups.
- Synonyms
- C5H2F6N21H-3,5-Bis(trifluoromethyl)pyrazole

Organic Synthesis Intermediate
Serves as a versatile building block in the synthesis of more complex organic molecules. Its pyrazole core and trifluoromethyl substituents make it valuable for creating compounds with specific electronic and steric properties.
Pharmaceutical Research
Utilised in the development of new drug candidates. The presence of fluorine atoms can enhance metabolic stability, lipophilicity, and binding affinity of potential pharmaceuticals.
Agrochemical Development
Acts as a precursor for novel pesticides and herbicides. The trifluoromethyl groups can contribute to the efficacy and persistence of agrochemical agents.
Material Science
Explored for potential applications in the creation of advanced materials due to the unique characteristics imparted by the fluorinated pyrazole structure.
| Molecular weight | 204.07 |
|---|---|
| Empirical formula | C5H2F6N2 |
| Assay | 99% |
| Melting point | 83-85 °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 3,5-Bis(trifluoromethyl)pyrazole primarily used for?
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3,5-Bis(trifluoromethyl)pyrazole is primarily used as a building block and intermediate in organic synthesis, particularly for the development of pharmaceuticals and agrochemicals.
What are the CAS number and formula for 3,5-Bis(trifluoromethyl)pyrazole?
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The CAS number is 14704-41-7 and the molecular formula is C5H2F6N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,5-Bis(trifluoromethyl)pyrazole with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should 3,5-Bis(trifluoromethyl)pyrazole be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust. Refer to the Safety Data Sheet for detailed handling procedures.
Does TSS export 3,5-Bis(trifluoromethyl)pyrazole?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 3,5-Bis(trifluoromethyl)pyrazole.
How can I request a quote or sample for 3,5-Bis(trifluoromethyl)pyrazole?
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To request a quote or sample, please contact our sales department through the website or via email, specifying the product and quantity required.
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