Names | |
---|---|
IUPAC name 1-oxidopyridin-1-ium-3-carboxylic acid | |
Other names Oxiniacic acid | |
Identifiers | |
CAS Number | |
3D model (JSmol) | |
ChEBI | |
ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.017.515 |
EC Number |
|
PubChem CID | |
UNII | |
CompTox Dashboard (EPA) | |
InChI
| |
SMILES
| |
Properties | |
Chemical formula | C6H5NO3 |
Molar mass | 139.110 g·mol |
Appearance | colorless or white solid |
Melting point | 254.5 °C (490.1 °F; 527.6 K) |
Hazards | |
GHS labelling: | |
Pictograms | |
Signal word | Warning |
Hazard statements | H312, H315, H319, H332 |
Precautionary statements | P261, P264, P271, P280, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P332+P313, P337+P313, P362, P363, P501 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references |
Nicotinic acid N-oxide is an organic compound with the formula (HO2C)C5H4NO. It is the N-oxide of nicotinic acid ((HO2C)C5H4N). It is prepared by oxidation of nicotinic acid or the hydrolysis of 3-cyanopyridine N-oxide. The compound is a precursor to the popular drugs niflumic acid and pranoprofen.
References
- Shimizu, Shinkichi; Watanabe, Nanao; Kataoka, Toshiaki; Shoji, Takayuki; Abe, Nobuyuki; Morishita, Sinji; Ichimura, Hisao (2000). "Pyridine and Pyridine Derivatives". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a22_399. ISBN 3527306730.