Melting point :173-175 °C
Boiling point :334.0±15.0 °C(Predicted)
Density :1.552±0.06 g/cm3(Predicted)
storage temp. :Sealed in dry,Room Temperature
solubility :soluble in Methanol
form :powder to crystal
pka :8.32±0.10(Predicted)
color :White to Orange to Green
InChI :InChI=1S/C3H3N3O2/c7-6(8)3-1-2-4-5-3/h1-2H,(H,4,5)
InChIKey :MZRUFMBFIKGOAL-UHFFFAOYSA-N
SMILES :N1C=CC([N+]([O-])=O)=N1
CAS DataBase Reference :26621-44-3(CAS DataBase Reference)
NIST Chemistry Reference :3(5)-nitropyrazole(26621-44-3)

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 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.