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Appearance:Crystalline
Throughput:100|Metric Ton|Day
pd_productuse:intermediate
Delivery Time:instock
Purity:99%
Product Name: Imidazole
CAS: 288-32-4
MF: C3H4N2
MW: 68.08
EINECS: 206-019-2
Mol File: 288-32-4.mol
Imidazole Structure
Imidazole Chemical Properties
Melting point 88-91 °C(lit.)
Boiling point 256 °C(lit.)
density 1.01 g/mL at 20 °C
vapor pressure <1 mm Hg ( 20 °C)
refractive index 1.4801
Fp 293 °F
storage temp. Store below +30°C.
solubility H2O: 0.1 M at 20 °C, clear, colorless
form crystalline
pka 6.953(at 25℃)
color white
Specific Gravity 1.03
Odor Amine like
PH 9.5-11.0 (25℃, 50mg/mL in H2O)
PH Range 9.5 - 11
Water Solubility 633 g/L (20 ºC)
λmax λ: 260 nm Amax: 0.10
λ: 280 nm Amax: 0.10
Sensitive Hygroscopic
Merck 14,4912
BRN 103853
Stability: Stable. Incompatible with acids, strong oxidizing agents. Protect from moisture.
InChIKey RAXXELZNTBOGNW-UHFFFAOYSA-N
CAS DataBase Reference 288-32-4(CAS DataBase Reference)
NIST Chemistry Reference 1H-Imidazole(288-32-4)
EPA Substance Registry System Imidazole (288-32-4)
Safety Information
Hazard Codes C,Xi,T
Risk Statements 36/38-63-34-22-20/21/22-61
Safety Statements 26-36/37/39-45-22-36-27-53
RIDADR UN 2923 8/PG 3
WGK Germany 1
RTECS NI3325000
Autoignition Temperature 480 °C
TSCA Yes
HazardClass 8
PackingGroup III
HS Code 29332990
Hazardous Substances Data 288-32-4(Hazardous Substances Data)
Toxicity LD50 in mice (mg/kg): 610 i.p.; 1880 orally (Nishie)
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