2-Chloro-5-(chloromethyl)pyridine
2-Chloro-5-(chloromethyl)pyridine (CAS 70258-18-3, C6H5Cl2N) is a halogenated pyridine derivative with a molecular weight of 162.02 g/mol. This compound serves as a valuable building block in organic synthesis. Its structure, featuring two reactive chlorine atoms on a pyridine ring, makes it suitable for various chemical transformations, particularly in the development of novel pharmaceutical intermediates and agrochemicals. It is supplied by TSS with an assay of 97%.

Organic Synthesis Intermediate
2-Chloro-5-(chloromethyl)pyridine is a versatile intermediate used in the construction of more complex organic molecules. Its dichlorinated pyridine structure allows for selective functionalization in synthetic routes.
Pharmaceutical Research
This compound is employed in medicinal chemistry research for the synthesis of potential drug candidates. The pyridine core is a common motif in many biologically active compounds.
Agrochemical Development
It can be utilized as a precursor in the development of new agrochemicals, such as pesticides and herbicides, where halogenated heterocyclic structures are often found to confer desired properties.
Material Science
The unique electronic and structural properties of this pyridine derivative may find applications in the development of specialised materials and functional polymers.
| Molecular weight | 162.02 |
|---|---|
| Empirical formula | C6H5Cl2N |
| Assay | 97% |
| Melting point | 37-42 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 110 °C / 230 °F |
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 22-34 |
| Safety statements (S) | 26-36/37/39-45 |
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-Chloro-5-(chloromethyl)pyridine used for?
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2-Chloro-5-(chloromethyl)pyridine is primarily used as a building block in organic synthesis, particularly in the development of pharmaceutical intermediates and agrochemicals.
What is the CAS number and formula for 2-Chloro-5-(chloromethyl)pyridine?
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The CAS number is 70258-18-3 and the empirical formula is C6H5Cl2N.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-5-(chloromethyl)pyridine with a minimum assay of 97%. This is a technical/research grade; TSS does not represent it as USP, BP, or EP grade.
How should 2-Chloro-5-(chloromethyl)pyridine be handled?
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2-Chloro-5-(chloromethyl)pyridine is classified as Dangerous. It causes severe skin burns and eye damage (H314) and is harmful if swallowed (H302). Always handle with appropriate personal protective equipment, including safety goggles, face shields, and gloves, in a well-ventilated area.
Is 2-Chloro-5-(chloromethyl)pyridine available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2-Chloro-5-(chloromethyl)pyridine, adhering to all relevant shipping regulations.
How can I request a quote or sample?
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To request a quote or a sample of 2-Chloro-5-(chloromethyl)pyridine, please contact our sales team through the website or by phone, providing your specific requirements.
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