3,6-Diiodopyridazine
3,6-Diiodopyridazine (CAS: 20698-04-8) is a halogenated heterocyclic compound with the molecular formula C4H2I2N2 and a molecular weight of 331.88 g/mol. It serves as a valuable building block in organic synthesis, particularly for the construction of more complex molecules. This pyridazine derivative is utilised in chemical research and development, enabling the introduction of the pyridazine core into various molecular structures through substitution reactions.
- Synonyms
- C4H2I2N2

Organic Synthesis Intermediate
3,6-Diiodopyridazine is employed as a key intermediate in the synthesis of diverse organic compounds. Its diiodo substitution pattern allows for versatile coupling reactions, facilitating the creation of novel heterocyclic frameworks.
Heterocyclic Chemistry Research
This compound finds application in academic and industrial research laboratories focused on heterocyclic chemistry. It enables the exploration of new reaction pathways and the development of functionalised pyridazine derivatives.
Materials Science Precursor
The unique structure of 3,6-Diiodopyridazine can be leveraged as a precursor in materials science, potentially contributing to the synthesis of advanced materials with specific electronic or optical properties.
| Molecular weight | 331.88 |
|---|---|
| Empirical formula | C4H2I2N2 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 155-160 °C |


Hazard statements
- H302Harmful 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
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | >110 °C / >230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26-36/37/39 |
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 3,6-Diiodopyridazine used for?
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3,6-Diiodopyridazine (CAS: 20698-04-8) is primarily used as a building block in organic synthesis and heterocyclic chemistry research. It facilitates the creation of more complex organic molecules and the exploration of new chemical structures.
What is the CAS number and formula for 3,6-Diiodopyridazine?
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The CAS number for 3,6-Diiodopyridazine is 20698-04-8, and its empirical formula is C4H2I2N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,6-Diiodopyridazine with a purity of 97%. This product is suitable for research and general chemical synthesis purposes and is not supplied as USP, BP, or EP grade.
How should 3,6-Diiodopyridazine be handled?
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Handling requires caution due to hazards including potential harm if swallowed, skin irritation, serious eye damage, and respiratory irritation. Use a dust mask (type N95 US), eyeshields, and gloves. Ensure adequate ventilation.
How is 3,6-Diiodopyridazine typically packed and shipped?
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3,6-Diiodopyridazine is packed according to industry best practices for chemical reagents and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations.
How can I request a sample or quote for 3,6-Diiodopyridazine?
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To request a sample or a quote for 3,6-Diiodopyridazine, please contact the Tech Serve Solutions sales team through the website or by phone.
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