2,5-Dichloropyrimidine
2,5-Dichloropyrimidine (CAS 22536-67-0) is a halogenated heterocyclic organic compound with the molecular formula C4H2Cl2N2 and a molecular weight of 148.98 g/mol. As a key building block in chemical synthesis, it is primarily utilised in the development of advanced materials and pharmaceutical intermediates. This compound serves as a versatile reagent for introducing the pyrimidine moiety into more complex molecular structures, facilitating research and development across various chemical disciplines.
- Synonyms
- C4H2Cl2N2

Pharmaceutical Intermediate Synthesis
2,5-Dichloropyrimidine serves as a crucial intermediate in the synthesis of various pharmaceutical compounds. Its reactive chlorine atoms allow for facile functionalisation, enabling the construction of complex drug molecules.
Agrochemical Development
This compound is employed in the research and development of novel agrochemicals. Its heterocyclic structure can be modified to create compounds with potential herbicidal, fungicidal, or insecticidal properties.
Materials Science Research
2,5-Dichloropyrimidine can be utilised in the synthesis of specialised polymers and functional materials. The pyrimidine core offers unique electronic and structural properties for advanced applications.
Organic Synthesis Reagent
As a versatile building block, it is valuable in general organic synthesis for constructing diverse heterocyclic frameworks. Researchers use it to explore new synthetic pathways and create novel chemical entities.
| Molecular weight | 148.98 |
|---|---|
| Empirical formula | C4H2Cl2N2 |
| Assay | 97% |
| Melting point | 48-55 °C |



Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Flash point | 107 °C / 224.6 °F |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-41-50 |
| Safety statements (S) | 26-39-61 |
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 2,5-Dichloropyrimidine used for?
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2,5-Dichloropyrimidine is primarily used as a building block in chemical synthesis, particularly for pharmaceutical intermediates, agrochemicals, and materials science research. It is a versatile reagent for creating complex heterocyclic compounds.
What are the CAS number and formula for 2,5-Dichloropyrimidine?
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The CAS number for 2,5-Dichloropyrimidine is 22536-67-0, and its molecular formula is C4H2Cl2N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,5-Dichloropyrimidine with a purity of 97%. This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 2,5-Dichloropyrimidine be handled safely?
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2,5-Dichloropyrimidine is classified as Dangerous. It is harmful if swallowed, causes serious eye damage, and is very toxic to aquatic life. Handle with appropriate personal protective equipment (gloves, eye protection) in a well-ventilated area, and avoid release to the environment. Refer to the Safety Data Sheet (SDS) for detailed handling procedures.
Is 2,5-Dichloropyrimidine a controlled substance?
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The provided data does not indicate that 2,5-Dichloropyrimidine is a controlled substance.
How is 2,5-Dichloropyrimidine packaged and shipped?
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2,5-Dichloropyrimidine is packaged according to industry standards for chemical reagents and is exported globally by Tech Serve Solutions. Specific packaging details are available upon request.
How can I request a sample or quote for 2,5-Dichloropyrimidine?
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To request a sample or obtain a quotation for 2,5-Dichloropyrimidine, please contact the Tech Serve Solutions sales team through our website or by phone.
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