2,2′-Dipyridyl N-oxide
2,2′-Dipyridyl N-oxide (CAS 33421-43-1) is a heterocyclic organic compound with a molecular weight of 172.18 g/mol. This white to off-white solid serves as a valuable building block in chemical synthesis, particularly within the realm of pyridine derivatives. Its structure lends itself to further functionalisation, making it a useful intermediate for creating more complex molecules in research and development settings. TSS supplies this compound at a minimum assay of 98%.
- IUPAC
- 2,2′-Bipyridine 1-oxide,2,2′-Bipyridine N-oxide,2,2′-Bipyridine monooxide,2,2′-Bipyridyl N-oxide,2,2′-Dipyridyl 1-oxide
- Synonyms
- 2,2′-Bipyridine 1-oxide2,2′-Bipyridine N-oxide2,2′-Bipyridine monooxide2,2′-Bipyridyl N-oxide2,2′-Dipyridyl 1-oxide

Organic Synthesis Intermediate
As a functionalised pyridine derivative, 2,2′-Dipyridyl N-oxide is employed in multi-step syntheses for the preparation of novel organic compounds. Its N-oxide moiety can influence reactivity and direct subsequent chemical transformations.
Ligand Development
The bipyridine core, modified by the N-oxide group, can be explored for its coordination chemistry properties. It may serve as a precursor or a component in the design of specialised ligands for catalysis or material science.
Research and Development
This compound is utilised in academic and industrial research labs for exploring new synthetic routes and discovering molecules with potential applications in pharmaceuticals, agrochemicals, or materials.
| Molecular weight | 172.18 |
|---|---|
| Empirical formula | C10H8N2O |
| Assay | 98% |
| Melting point | 59-63 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 2,2′-Dipyridyl N-oxide used for?
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2,2′-Dipyridyl N-oxide (CAS 33421-43-1) is primarily used as a building block in organic synthesis and in research and development for creating more complex molecules, potentially for ligand development.
What is the CAS number and formula for 2,2′-Dipyridyl N-oxide?
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The CAS number for 2,2′-Dipyridyl N-oxide is 33421-43-1. Its empirical formula (Hill notation) is C10H8N2O, with a molecular weight of 172.18 g/mol.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,2′-Dipyridyl N-oxide with a minimum assay of 98%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade unless explicitly stated in the product specifications.
What are the primary safety concerns when handling 2,2′-Dipyridyl N-oxide?
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2,2′-Dipyridyl N-oxide is classified as a Warning substance, with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, such as Eyeshields, Gloves, and a dust mask (type N95 or equivalent), should be used. Handle in a well-ventilated area and avoid breathing dust.
How is 2,2′-Dipyridyl N-oxide typically packed and exported?
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Tech Serve Solutions securely packs 2,2′-Dipyridyl N-oxide according to international shipping regulations. We are experienced global exporters of fine chemicals and laboratory reagents, ensuring compliant and efficient delivery worldwide.
How can I request a sample or quote for 2,2′-Dipyridyl N-oxide?
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To request a sample or a quotation for 2,2′-Dipyridyl N-oxide, please contact our sales department via the website or by phone, providing your specific requirements and shipping details.
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