Melting point :117-122 °C(lit.)
Boiling point :288.83°C (rough estimate)
Density :1.303 g/mL at 25 °C
vapor pressure :0.006-0.012Pa at 20-25℃
refractive index :n20/D1.434
storage temp. :2-8°C
solubility :Soluble in dimethylformamide.
form :Crystalline Powder
pka :2.90±0.10(Predicted)
color :White to light cream
PH :7.7 (50g/l, H2O, 20℃)
PH Range :7.7 at 50 g/l
Water Solubility :Insoluble in water
Sensitive :Moisture Sensitive
Merck :14,1819
BRN :6826
Stability :Stable, but moisture-sensitive. Incompatible with acids, strong oxidizing agents, water.
InChIKey :PFKFTWBEEFSNDU-UHFFFAOYSA-N
CAS DataBase Reference :530-62-1(CAS DataBase Reference)
EPA Substance Registry System :1H-Imidazole, 1,1'-carbonylbis- (530-62-1)

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 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. 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. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.