Melting point :172-174 °C(lit.)
Boiling point :192.71°C (rough estimate)
Density :1.2722 (rough estimate)
refractive index :1.7380 (estimate)
storage temp. :Keep in dark place,Sealed in dry,Room Temperature
solubility :DMSO (Slightly), Methanol (Slightly)
pka :11.58±0.50(Predicted)
form :Crystalline Powder
color :Light yellow to brown-orange
BRN :2647
InChI :InChI=1S/C4H4N4/c5-1-3-2-7-8-4(3)6/h2H,(H3,6,7,8)
InChIKey :FFNKBQRKZRMYCL-UHFFFAOYSA-N
SMILES :N1C=C(C#N)C(N)=N1
CAS DataBase Reference :16617-46-2(CAS DataBase Reference)
NIST Chemistry Reference :5-Amino-4-cyano-pyrazole(16617-46-2)
EPA Substance Registry System :1H-Pyrazole-4-carbonitrile, 3-amino- (16617-46-2)

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.