C6H5NO3
139.11 g/mol
OtherWarning
Picolinic acid N-oxide
CAS824-40-8EC212-528-0
Category
Other
Compound Class
n.a
Primary Use
research compound
Picolinic acid N-oxide is a derivative of picolinic acid featuring an N-oxide functional group. It is primarily studied for its strong intramolecular O—H···O hydrogen bonding, as characterized in crystallographic research.
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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Related Compounds
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Picolinic acid N-oxide (CAS 824-40-8) is 2933.39.
HS code (international, 6-digit)
2933.39
EU CN code (8-digit)
2933 39 99
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
1-oxidopyridin-1-ium-2-carboxylic acid
InChIKey
FHYMLBVGNFVFBT-UHFFFAOYSA-N
SMILES
C1=CC=[N+](C(=C1)C(=O)O)[O-]
Synonyms (15)
- 1-Oxopicolinic acid
- 2-Carboxypyridine 1-Oxide
- 2-carboxypyridine-N-oxide
- Picolinic acid 1-oxide
- Picolinic acid N-oxide
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