3-Amino-2,5-dichloropyridine
3-Amino-2,5-dichloropyridine (CAS: 78607-32-6) is a halogenated pyridine derivative with the molecular formula C5H4Cl2N2 and a molecular weight of 163.00 g/mol. It serves as a versatile building block in organic synthesis, particularly within the pharmaceutical and agrochemical industries. Its structure, featuring both amino and dichloro functionalities on a pyridine ring, allows for diverse chemical transformations and the construction of complex molecular architectures.
- Synonyms
- C5H4Cl2N22,5-Dichloro-3-pyridinamine

Pharmaceutical Intermediate
Utilised in the synthesis of active pharmaceutical ingredients (APIs), leveraging its heterocyclic structure for drug discovery and development.
Agrochemical Synthesis
Serves as a key component in the development of novel pesticides and herbicides, contributing to agricultural innovation.
Organic Synthesis Reagent
A valuable building block for creating complex organic molecules, enabling researchers to explore new chemical pathways and functional materials.
Research and Development
Employed in laboratory settings for academic and industrial research, facilitating the exploration of new chemical entities.
| Molecular weight | 163.00 |
|---|---|
| Empirical formula | C5H4Cl2N2 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 124-129 °C |


Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- 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) | 22-37/38-41 |
| Safety statements (S) | 26-39 |
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 3-Amino-2,5-dichloropyridine used for?
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3-Amino-2,5-dichloropyridine is primarily used as a versatile building block in organic synthesis, with significant applications in the development of pharmaceuticals and agrochemicals.
What are the CAS number and formula for 3-Amino-2,5-dichloropyridine?
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The CAS number is 78607-32-6, and its molecular formula is C5H4Cl2N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Amino-2,5-dichloropyridine with a minimum assay of 97%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 3-Amino-2,5-dichloropyridine be handled safely?
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Handle with appropriate personal protective equipment including a dust mask (type N95 US), eyeshields, face shields, and gloves. Avoid breathing dust/fume/gas/mist/vapours/spray. Ensure adequate ventilation. It is classified as Dangerous for Supply (Xn) with hazards including serious eye damage and respiratory irritation.
How is 3-Amino-2,5-dichloropyridine packed and exported?
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3-Amino-2,5-dichloropyridine is shipped and exported under UN 2811, 6.1/PGIII regulations. Standard packaging is employed to ensure safe transit.
How can I request a sample or quote for 3-Amino-2,5-dichloropyridine?
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To request a sample or a quotation, please contact our sales department through the website or by direct inquiry, providing your specific requirements.
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