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Home/Compounds/Other/Pyridine N-oxide
C5H5NO
95.1 g/mol
OtherWarning

Pyridine-N-oxide

CAS694-59-7EC211-774-6
Category
Other
Compound Class
n.a
Primary Use
chemical intermediate

Pyridine-N-oxide is a chemical compound derived from pyridine by oxidation, featuring a polar N→O bond. It is highly hygroscopic and has been studied in crystallization behavior from aqueous solutions.

intermediate in chemical synthesis

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Safety Reference

Harmful
Harmful
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Identifiers
IUPAC Name

1-oxidopyridin-1-ium

InChIKey

ILVXOBCQQYKLDS-UHFFFAOYSA-N

SMILES

C1=CC=[N+](C=C1)[O-]

Synonyms (7)
  • 1-Oxo-1lambda~5~-pyridine
  • 1-oxidopyridin-1-ium
  • PY N-oxide
  • Pyridine 1-oxide
  • Pyridine oxide
  • Pyridine-N-oxide