4-Amino-3-chloro-2,5,6-trifluoropyridine
4-Amino-3-chloro-2,5,6-trifluoropyridine (CAS 2693-57-4) is a fluorinated heterocyclic compound with the molecular formula C5H2ClF3N2 and a molecular weight of 182.53 g/mol. This chemical is primarily utilised as a building block in various chemical synthesis applications. Its structure, featuring multiple halogen substitutions on a pyridine ring, makes it a valuable intermediate for creating complex organic molecules.
- Synonyms
- 2693-57-4

Chemical Synthesis Intermediate
This compound serves as a key intermediate in organic synthesis, enabling the construction of more complex molecular architectures. Its functional groups and halogenation pattern offer versatile reaction pathways for developing novel chemical entities.
Fluorinated Building Block
As a fluorinated building block, it is incorporated into molecules where the introduction of fluorine atoms can impart desirable properties such as enhanced metabolic stability or altered electronic characteristics. This is particularly relevant in pharmaceutical and agrochemical research.
Heterocyclic Chemistry
The pyridine core structure makes it a useful component in heterocyclic chemistry. It can be employed in reactions aimed at modifying or functionalising the pyridine ring system for specific synthetic goals.
| Molecular weight | 182.53 |
|---|---|
| Empirical formula | C5H2ClF3N2 |
| Assay | 99% |
| Application | 4-Amino-3-chloro-2,5,6-trifluoropyridine may be used in chemical synthesis. |
| Melting point | 120-121 °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) | 26-37/39 |
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 4-Amino-3-chloro-2,5,6-trifluoropyridine used for?
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4-Amino-3-chloro-2,5,6-trifluoropyridine is used as a building block in chemical synthesis and as an intermediate for creating more complex organic molecules.
What are the CAS number and molecular formula?
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The CAS number for 4-Amino-3-chloro-2,5,6-trifluoropyridine is 2693-57-4. The molecular formula is C5H2ClF3N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 99%. It is suitable for research and chemical synthesis applications. TSS does not represent this product as USP, BP, or EP grade.
How should 4-Amino-3-chloro-2,5,6-trifluoropyridine be handled safely?
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This compound is a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, in a well-ventilated area. Avoid breathing dust.
Is this product available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 4-Amino-3-chloro-2,5,6-trifluoropyridine.
How can I request a sample or quote?
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Please contact our sales team via the website to request a sample or a quotation for 4-Amino-3-chloro-2,5,6-trifluoropyridine.
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