2,6-Dichloro-4-nitropyridine
2,6-Dichloro-4-nitropyridine (CAS 25194-01-8) is a halogenated pyridine derivative with the molecular formula C5H2Cl2N2O2 and a molecular weight of 192.99 g/mol. This compound serves as a valuable building block in organic synthesis, particularly for the construction of complex heterocyclic structures. Its reactive chlorine atoms and nitro group offer versatile modification points for further chemical transformations, making it a useful intermediate in the development of new chemical entities.
- Synonyms
- C5H2Cl2N2O2

Organic Synthesis Intermediate
Utilised as a key intermediate in multi-step organic syntheses. Its dichlorinated pyridine core allows for selective functionalization and elaboration into more complex molecules.
Heterocyclic Chemistry
A fundamental building block for constructing a variety of nitrogen-containing heterocyclic systems. It is employed in reactions that introduce or modify the pyridine ring.
Research and Development
Frequently used in academic and industrial research settings for the exploration of novel chemical reactions and the synthesis of new compounds with potential biological or material science applications.
| Molecular weight | 192.99 |
|---|---|
| Empirical formula | C5H2Cl2N2O2 |
| Assay | 97% |
| Melting point | 94-98 °C |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41-43 |
| Safety statements (S) | 26-39 |
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 2,6-Dichloro-4-nitropyridine used for?
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2,6-Dichloro-4-nitropyridine (CAS 25194-01-8) is primarily used as a building block in organic synthesis and heterocyclic chemistry for the development of new chemical entities.
What is the CAS number and formula for 2,6-Dichloro-4-nitropyridine?
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The CAS number for 2,6-Dichloro-4-nitropyridine is 25194-01-8 and its molecular formula is C5H2Cl2N2O2.
What grade and purity does Tech Serve Solutions supply for 2,6-Dichloro-4-nitropyridine?
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Tech Serve Solutions supplies 2,6-Dichloro-4-nitropyridine with an assay of 97%. We do not represent this product as USP, BP, EP or other pharmacopoeial grades.
How should 2,6-Dichloro-4-nitropyridine be handled safely?
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Handle with appropriate personal protective equipment including a dust mask type N95 (US), eyeshields, faceshields, and gloves. It is labelled with Danger signal word and is harmful if swallowed, causes skin irritation, may cause an allergic skin reaction, causes serious eye damage, and may cause respiratory irritation.
Is 2,6-Dichloro-4-nitropyridine available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2,6-Dichloro-4-nitropyridine.
How can I request a quote or sample for 2,6-Dichloro-4-nitropyridine?
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To request a quote or sample for 2,6-Dichloro-4-nitropyridine, please contact our sales team through the website or by phone.
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