Melting point :78-81 °C (lit.)
Boiling point :268 °C (lit.)
Density :1.5519 (rough estimate)
vapor pressure :0.047Pa at 20℃
refractive index :1.5000 (estimate)
Flash point :159 °C
storage temp. :Sealed in dry,Room Temperature
pka :14.38±0.10(Predicted)
form :powder to crystal
color :White to Light yellow
Water Solubility :Soluble in water (617 g/L at 20°C)
BRN :106381
Henry's Law Constant :7.6×10² mol/(m³Pa) at 25℃, Du et al. (2017)
InChI :1S/C5H8N2/c1-2-5-6-3-4-7-5/h3-4H,2H2,1H3,(H,6,7)
InChIKey :PQAMFDRRWURCFQ-UHFFFAOYSA-N
SMILES :CCc1ncc[nH]1
LogP :0.5 at 23℃
CAS DataBase Reference :1072-62-4(CAS DataBase Reference)
NIST Chemistry Reference :1H-Imidazole, 2-ethyl-(1072-62-4)
EPA Substance Registry System :1H-Imidazole, 2-ethyl- (1072-62-4)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. 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.