2,6-Dichloropyridine
2,6-Dichloropyridine (CAS: 2402-78-0), a halogenated pyridine derivative with the molecular formula C5H3Cl2N, serves as a crucial building block in organic synthesis. Its chemical structure facilitates participation in various coupling and substitution reactions. Primarily utilised in the research and development sectors of the chemical and pharmaceutical industries, it is indispensable for constructing more complex molecular architectures and exploring novel chemical entities. Its defined purity ensures reliable performance in demanding synthetic pathways.
- Synonyms
- C5H3Cl2N2,6-Dichlor Pyridine

Organic Synthesis Intermediate
2,6-Dichloropyridine is employed as a key intermediate in the synthesis of diverse organic compounds. Its reactive chlorine atoms allow for selective functionalisation, enabling the construction of complex heterocyclic systems vital for pharmaceutical and agrochemical research.
Heterocyclic Chemistry Research
This compound is frequently used in academic and industrial research focused on novel heterocyclic compounds. It serves as a versatile starting material for creating novel pyridine-based molecules with potential biological activities or material science applications.
Pharmaceutical Intermediate
In the pharmaceutical industry, 2,6-Dichloropyridine acts as a precursor for the development of active pharmaceutical ingredients (APIs). Its structure is incorporated into molecules designed to target various therapeutic areas.
| Molecular weight | 147.99 |
|---|---|
| Empirical formula | C5H3Cl2N |
| Assay | 98% |
| Melting point | 83-86 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25 |
| Safety statements (S) | 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 2,6-Dichloropyridine primarily used for?
+
2,6-Dichloropyridine is primarily used as a building block in organic synthesis, particularly for creating complex heterocyclic compounds relevant to pharmaceutical and agrochemical research and development.
What are the CAS number and formula for 2,6-Dichloropyridine?
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The CAS number for 2,6-Dichloropyridine is 2402-78-0, and its empirical formula is C5H3Cl2N.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,6-Dichloropyridine with an assay of 98%. This is a technical/research grade chemical, and TSS does not represent it as USP, BP, or EP grade.
What are the main safety concerns when handling 2,6-Dichloropyridine?
+
2,6-Dichloropyridine is classified as toxic if swallowed (H301) and requires strict handling procedures. Appropriate personal protective equipment, including eyeshields, face shields, gloves, and P2 respirator cartridges, must be used. Ensure handling occurs in a well-ventilated area or fume hood.
How is 2,6-Dichloropyridine packed and exported?
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2,6-Dichloropyridine is packed according to international shipping regulations for hazardous materials, including UN 2811 (Toxic solid, organic, n.o.s.) classification (6.1/PGIII). TSS is experienced in exporting chemicals globally.
How can I request a sample or quote for 2,6-Dichloropyridine?
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To request a sample or quote, please contact the TSS sales department via our website or by phone, providing your specific requirements and shipping details.
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