2-Chloro-4-methyl-5-nitropyridine
2-Chloro-4-methyl-5-nitropyridine (CAS: 23056-33-9) is a halogenated heterocyclic compound with the molecular formula C6H5ClN2O2 and a molecular weight of 172.57 g/mol. Supplied at 97% purity, this pyridine derivative serves as a valuable building block in chemical synthesis. It is primarily utilised in laboratory research for the development of new organic compounds and materials, offering a reactive site for further chemical transformations.

Chemical Synthesis Intermediate
2-Chloro-4-methyl-5-nitropyridine is employed as an intermediate in the synthesis of more complex organic molecules. Its structure, featuring a pyridine ring substituted with chlorine, methyl, and nitro groups, allows for diverse reaction pathways.
Heterocyclic Compound Research
This compound is a useful reagent for researchers studying halogenated heterocycles. It can be incorporated into various molecular architectures to investigate their properties and potential applications in medicinal chemistry or material science.
Building Block for Organic Chemistry
As a functionalised pyridine derivative, it serves as a versatile building block for constructing novel compounds. The reactive chlorine atom and the electron-withdrawing nitro group offer specific handles for synthetic manipulation.
| Molecular weight | 172.57 |
|---|---|
| Empirical formula | C6H5ClN2O2 |
| Assay | 97% |
| Boiling point | 91 °C/5 mmHg(lit.) |
| Application | 2-Chloro-4-methyl-5-nitropyridine may be used in chemical synthesis studies. |
| Melting point | 37-39 °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 |
|---|---|
| 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) | 26-37/39 |
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 2-Chloro-4-methyl-5-nitropyridine used for?
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2-Chloro-4-methyl-5-nitropyridine is used in chemical synthesis studies as a building block for creating more complex organic molecules, particularly within the field of heterocyclic chemistry.
What is the CAS number and chemical formula for 2-Chloro-4-methyl-5-nitropyridine?
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The CAS number is 23056-33-9 and the chemical formula is C6H5ClN2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-4-methyl-5-nitropyridine at an assay of 97%. This product is intended for research and laboratory use and is not supplied as USP, BP, or EP grade.
How should 2-Chloro-4-methyl-5-nitropyridine be handled safely?
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2-Chloro-4-methyl-5-nitropyridine is a Warning substance with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Handle with appropriate personal protective equipment including a dust mask type N95, eyeshields, and gloves. Ensure adequate ventilation.
Is 2-Chloro-4-methyl-5-nitropyridine a controlled substance?
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The provided data does not indicate that 2-Chloro-4-methyl-5-nitropyridine is a controlled substance.
How is 2-Chloro-4-methyl-5-nitropyridine packed and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Products are carefully packed according to international shipping regulations to ensure safe transport and export worldwide.
How can I request a quote or sample for 2-Chloro-4-methyl-5-nitropyridine?
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To request a quote or sample of 2-Chloro-4-methyl-5-nitropyridine, please contact our sales team through the website or by phone. Provide the product name and CAS number (23056-33-9) for efficient processing.
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