Imidazole, 99+%

Size

£133.00

SKU:: I7000
Molecular Weight:: 68.08
Purity:: ≥99% (GC)
Storage Conditions:: RT
Supplier:: United States Biological
CAS Number:: 288-32-4
Format:: White crystals
Extra Details:: Karl Fischer reagent. Imidazole can be used for the elution of histidine containing proteins from divalent cation resins. Imidazole can be used to prepare buffers in the pH range of 6.2-7.8 at 25°C. It is also a chelator for the binding of various divalent cations. Synonyms: 1,3-Diazo-2,4-cyclopentadiene; 1H-Imidazole; 1,3-Diazacyclopenta-2,4-diene; 1,3-diazole CAS No: 288-32-4 Molecular Formula: C3H4N2 Molecular Weight: 68.08 Divalent Cation Log Binding Constant: Ca2+ 0.1 Mn2+ 1.6 Fe2+ 3.3 Co2+ 2.4 Ni2+ 2.9 Cu2+ 4.2 Zn2+ 2.0 Purity (GC): ≥99% Appearance: White crystals Solubility (10%): Colorless, clear, complete Imidazole is soluble in dH2O (~500mg/ml). pH: As Reported Melting Point: 86.6-89.7°C (lit) Boiling Point: ~256°C Water (Karl Fisher): ≤0.3% Iron: ≤0.0005% Residue of Ignition: ≤0.1% Storage and Stability: Powder may be stored at RT. Stable for 12 months at RT after receipt.