3,5-Dichloropyridine-2-carbonitrile
3,5-Dichloropyridine-2-carbonitrile (CAS: 85331-33-5) is a halogenated heterocyclic organic compound with the molecular formula C6H2Cl2N2 and a molecular weight of 173.00 g/mol. It serves as a valuable building block in chemical synthesis, particularly for the creation of more complex pyridine derivatives. Its structure lends itself to diverse applications in the development of new chemical entities within research and industrial settings.
- IUPAC
- 3,5-Dichloro-2-cyanopyridine
- Synonyms
- 3,5-Dichloro-2-cyanopyridine

Pharmaceutical Intermediate
Utilised in the synthesis pathways for developing novel pharmaceutical compounds. Its dichloropyridine core can be functionalised to create diverse molecular scaffolds for drug discovery.
Agrochemical Research
A building block for the research and development of new agrochemicals. The pyridine ring and chlorine substituents offer sites for chemical modification relevant to pesticide and herbicide design.
Organic Synthesis Reagent
A versatile intermediate in organic chemistry laboratories for constructing complex organic molecules. Its reactivity allows for various coupling and substitution reactions.
Materials Science
Potential applications in materials science as a precursor for functional organic materials, leveraging the properties imparted by the chlorinated pyridine structure.
| Molecular weight | 173.00 |
|---|---|
| Empirical formula | C6H2Cl2N2 |
| Assay | 95% |
| Melting point | 98-103 °C |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Transport (UN / ADR) | UN 3439 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 26-36/37 |
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 3,5-Dichloropyridine-2-carbonitrile used for?
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3,5-Dichloropyridine-2-carbonitrile (CAS: 85331-33-5) is primarily used as a building block in organic synthesis for creating more complex molecules, particularly within pharmaceutical and agrochemical research and development.
What is the CAS number and molecular formula for this compound?
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The CAS number is 85331-33-5 and the empirical formula (Hill notation) is C6H2Cl2N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,5-Dichloropyridine-2-carbonitrile with a minimum assay of 95%. This product is typically supplied for research and chemical synthesis purposes and is not represented as USP, BP, or EP grade.
What are the main hazards associated with 3,5-Dichloropyridine-2-carbonitrile?
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This compound is classified as hazardous. It is harmful if swallowed, in contact with skin, and if inhaled. It also causes skin irritation, serious eye irritation, and may cause respiratory irritation. Appropriate personal protective equipment (PPE) should be worn, and handling should occur in a well-ventilated area.
How is this chemical packed, shipped, and exported?
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3,5-Dichloropyridine-2-carbonitrile is packed according to relevant transport regulations for hazardous materials. Tech Serve Solutions, as an experienced global supplier, facilitates its export worldwide, adhering to all necessary shipping and customs requirements.
How can I request a quote or sample?
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To request a quote or a sample of 3,5-Dichloropyridine-2-carbonitrile, please use the contact form on our website or email our sales department directly with your requirements and shipping details.
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