2,6-Dichloropyridine-3-carboxaldehyde
2,6-Dichloropyridine-3-carboxaldehyde (CAS: 55304-73-9) is a pyridine derivative with the molecular formula C6H3Cl2NO and a molecular weight of 176.00 g/mol. This halogenated heterocyclic compound serves as a valuable building block in organic synthesis. It is primarily utilised in the development of novel chemical entities within research and development settings, owing to its reactive aldehyde functional group and substituted pyridine ring, facilitating diverse chemical transformations.
- IUPAC
- 2,6-Dichloronicotinaldehyde
- Synonyms
- C6H3Cl2NO2,6-Dichloronicotinaldehyde

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of more complex organic molecules. The aldehyde group allows for a variety of reactions, including condensations, oxidations, and reductions, while the dichloropyridine core offers sites for further functionalization.
Pharmaceutical Research
Employed as a building block in the exploratory synthesis of potential pharmaceutical agents. Its structure is relevant for creating novel heterocyclic compounds with potential biological activity.
Agrochemical Development
Utilised in the research and development of new agrochemicals. The pyridine scaffold is present in many active ingredients used in crop protection.
Material Science
Investigated for its potential use in the synthesis of novel materials, where its specific chemical structure could impart unique properties.
| Molecular weight | 176.00 |
|---|---|
| Empirical formula | C6H3Cl2NO |
| Assay | 97% |
| Melting point | 74-75 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38-43 |
| 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 2,6-Dichloropyridine-3-carboxaldehyde used for?
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2,6-Dichloropyridine-3-carboxaldehyde is used as a versatile building block in organic synthesis, particularly in the research and development of pharmaceutical agents, agrochemicals, and novel materials due to its reactive aldehyde group and functionalised pyridine core.
What is the CAS number and molecular formula for 2,6-Dichloropyridine-3-carboxaldehyde?
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The CAS number is 55304-73-9, and the molecular formula is C6H3Cl2NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,6-Dichloropyridine-3-carboxaldehyde with an assay of 97%. This product is suitable for research and technical applications; TSS does not represent it as USP, BP, or EP grade.
How should 2,6-Dichloropyridine-3-carboxaldehyde be handled?
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Handling requires caution due to its toxic, irritant, and sensitising properties. Use a dust mask type N95, eyeshields, faceshields, and gloves. Ensure adequate ventilation and avoid inhalation of dust. Refer to the Safety Data Sheet for comprehensive handling instructions.
Is 2,6-Dichloropyridine-3-carboxaldehyde available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2,6-Dichloropyridine-3-carboxaldehyde.
How can I request a quote or sample?
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Please contact our sales team via the website or phone to request a quotation or a sample of 2,6-Dichloropyridine-3-carboxaldehyde.
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