Pyridine N-oxide
Pyridine N-oxide (CAS: 694-59-7, C5H5NO, MW: 95.10) is a valuable heterocyclic compound. It functions as a useful building block in chemical synthesis, particularly within the realm of pyridines. Its chemical properties make it a subject of study for various spectroscopic analyses. Available from Tech Serve Solutions with an assay of 95%, it serves research and development purposes.

Chemical Synthesis
Pyridine N-oxide serves as a key intermediate and building block in organic synthesis, particularly for introducing pyridine functionalities into more complex molecules. Its reactivity allows for various transformations critical in medicinal chemistry and materials science.
Spectroscopic Studies
The compound has been utilised in scientific research to investigate spectroscopic properties, such as the FTIR spectra of pyridine N-oxide in different solvent environments like acetonitrile, contributing to a deeper understanding of molecular interactions.
Heterocyclic Chemistry
As a derivative of pyridine, Pyridine N-oxide is instrumental in the study and development of novel heterocyclic compounds. It is a fundamental component for researchers exploring new synthetic pathways within this chemical class.
| Molecular weight | 95.10 |
|---|---|
| Empirical formula | C5H5NO |
| Assay | 95% |
| Boiling point | 270 °C(lit.) |
| Application | Pyridine N-oxide was used to study the FTIR spectra of pyridine N-oxide in acetonitrile1. |
| Melting point | 62-67 °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 |
|---|---|
| Flash point | 143 °C / 289.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 Pyridine N-oxide primarily used for?
+
Pyridine N-oxide is primarily used as a building block in chemical synthesis and for studying its spectroscopic properties, such as FTIR spectra.
What are the CAS number and chemical formula for Pyridine N-oxide?
+
The CAS number for Pyridine N-oxide is 694-59-7, and its chemical formula is C5H5NO.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Pyridine N-oxide with an assay of 95%. This product is intended for research and laboratory use and is not represented as USP, BP, or EP grade.
How should Pyridine N-oxide be handled safely?
+
Pyridine N-oxide is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves, in a well-ventilated area. Refer to the Safety Data Sheet for comprehensive handling information.
Is Pyridine N-oxide subject to any special controls?
+
The provided data does not indicate that Pyridine N-oxide is a controlled substance under standard regulations.
How can I request a quote or sample of Pyridine N-oxide?
+
Please contact our sales team via the website or direct inquiry to request a quote or a sample of Pyridine N-oxide. We are a global supplier and exporter.
How is Pyridine N-oxide shipped?
+
Pyridine N-oxide is carefully packaged for safe transit and is available for export worldwide by Tech Serve Solutions.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis