Pyridine N-oxide, 95%+

Name: Pyridine N-oxide, 95%+
Brand: Vaqora Chemicals
SKU: VQ-011884

About Pyridine N-oxide, 95%+

Listed under CAS 694-59-7, Pyridine N-oxide is a pyridine derivative available from Vaqora Chemicals (Synthesis grade) at a purity of ≥95%. With the molecular formula C5H5NO, it has a molar mass of 95.1 g/mol. Its systematic (IUPAC) name is 1-oxidopyridin-1-ium. It is also known as Pyridine-1-oxide or Pyridine-N-oxide.

The material typically appears as white to colourless powder or crystals. Key physical data: a melting point of 62 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Key uses span organic synthesis, coordination chemistry and oxidation reactions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 100 g and 1 kg packs, Pyridine N-oxide is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
Coordination chemistry
Oxidation reactions

Industries

Specifications & identifiers

Chemical identifiers
Product name	Pyridine N-oxide, 95%+
Catalogue No.	VQ-011884
CAS Number	694-59-7
IUPAC name	1-oxidopyridin-1-ium
Molecular formula	C₅H₅NO
Molecular weight	95.1 g/mol
Exact mass	95.0371
Grade	Synthesis
Purity / assay	≥95%
HSN code	29420090
InChIKey	ILVXOBCQQYKLDS-UHFFFAOYSA-N
SMILES	C1=CC=[N+](C=C1)[O-]
PubChem CID	12753

Physical properties
Physical form	Crystalline
Appearance	White to colourless powder or crystals
Melting point	62 °C
LogP (XLogP3)	-1.2
H-bond donors / acceptors	0 / 1
TPSA	25.5 Å²
Synonyms	Pyridine-1-oxide, Pyridine-N-oxide, Pyridine 1-oxide, Pyridine oxide, Pyridine, 1-oxide, pyridin-1-ium-1-olate, pyridineoxide, pyridine-oxide, PY N-oxide, Pyridine-1-, 1-oxido-pyridin-1-ium, Pyridine N-oxide, 95%

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Pyridine N-oxide, 95%+?

The CAS Registry Number of Pyridine N-oxide, 95%+ is 694-59-7. It is also known as Pyridine-1-oxide, Pyridine-N-oxide, Pyridine 1-oxide.

What is the molecular formula and molecular weight of Pyridine N-oxide, 95%+?

Pyridine N-oxide, 95%+ has the molecular formula C5H5NO and a molecular weight of 95.1 g/mol. Its IUPAC name is 1-oxidopyridin-1-ium.

Which grade and pack sizes of Pyridine N-oxide, 95%+ can I order?

We supply Pyridine N-oxide, 95%+ in Synthesis (≥95%) grade, in 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Pyridine N-oxide, 95%+?

Yes. Every lot of Pyridine N-oxide, 95%+ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Pyridine N-oxide, 95%+ be shipped internationally?

Yes. Pyridine N-oxide, 95%+ is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.