Melting point :254-255 °C (dec.)(lit.)
Boiling point :255.04°C (rough estimate)
Density :1.4429 (rough estimate)
refractive index :1.5423 (estimate)
storage temp. :Inert atmosphere,Room Temperature
solubility :benzene: insoluble
form :Fine Crystalline Powder
pka :3.19±0.10(Predicted)
color :Beige
Merck :14,6941
BRN :115860
InChI :InChI=1S/C6H5NO3/c8-6(9)5-2-1-3-7(10)4-5/h1-4H,(H,8,9)
InChIKey :FJCFFCXMEXZEIM-UHFFFAOYSA-N
SMILES :C1[N+]([O-])=CC=CC=1C(O)=O
CAS DataBase Reference :2398-81-4(CAS DataBase Reference)
NIST Chemistry Reference :3-Pyridinecarboxylic acid, 1-oxide(2398-81-4)
EPA Substance Registry System :3-Pyridinecarboxylic acid, 1-oxide (2398-81-4)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313 IF SKIN irritation occurs: Get medical advice/attention. P337+P313 IF eye irritation persists: Get medical advice/attention.