3-Chloro-2,4,5,6-tetrafluoropyridine
3-Chloro-2,4,5,6-tetrafluoropyridine (CAS: 1735-84-8), with the molecular formula C5ClF4N and a molecular weight of 185.51 g/mol, is a specialised halogenated heterocyclic building block. This fluorinated pyridine derivative is valuable in chemical synthesis, particularly for introducing fluorinated pyridine moieties into more complex organic molecules. Its unique structure makes it a useful intermediate in the development of novel pharmaceuticals and agrochemicals.
- Synonyms
- 6-tetrafluoropyridine1735-84-8C5ClF4N

Pharmaceutical Intermediate
Utilised in the synthesis of active pharmaceutical ingredients (APIs), where the fluorinated pyridine ring can impart desirable pharmacokinetic properties.
Agrochemical Development
Serves as a building block for novel pesticides, herbicides, and fungicides, leveraging the enhanced biological activity often associated with fluorinated compounds.
Materials Science Research
Employed in the creation of advanced materials and functional organic molecules, contributing to the development of new chemical entities.
Organic Synthesis Reagent
A key intermediate for synthetic chemists requiring a precisely functionalised fluorinated pyridine scaffold for complex molecular assembly.
| Molecular weight | 185.51 |
|---|---|
| Empirical formula | C5ClF4N |
| Assay | 98% |
| Boiling point | 118-121 °C(lit.) |
| Density | 1.609 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.436(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 |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| 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-Chloro-2,4,5,6-tetrafluoropyridine used for?
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3-Chloro-2,4,5,6-tetrafluoropyridine is primarily used as a building block in organic synthesis, particularly in the development of pharmaceuticals, agrochemicals, and advanced materials.
What are the CAS number and molecular formula for this compound?
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The CAS number is 1735-84-8, and the molecular formula is C5ClF4N.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Chloro-2,4,5,6-tetrafluoropyridine with an assay of 98%. TSS does not represent this product as USP, BP, or EP grade.
How should 3-Chloro-2,4,5,6-tetrafluoropyridine be handled safely?
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Handle with appropriate personal protective equipment including a dust mask type N95 (US), eyeshields, and gloves. Avoid inhalation of dust and ensure adequate ventilation. This compound is classified as an irritant to skin, eyes, and the respiratory tract (H315-H319-H335).
Can Tech Serve Solutions export this chemical?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals and laboratory reagents, including 3-Chloro-2,4,5,6-tetrafluoropyridine.
How can I request a quote or sample?
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Please contact our sales department via the website or telephone to request a quote or a sample of 3-Chloro-2,4,5,6-tetrafluoropyridine.
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