1.0 M Imidazole

100 mL bottle of 1.0 M Imidazole Optimize Reagent.
Synonyms: 1, 3-Diaza-2, 4-cyclopentadiene or Glyoxaline
C3H4N2
Mr 68.08
CAS Number [288-32-4]
EC Number 206-019-2
Beilstein Registry Number 103853
Merck 14, 4912
RTECS NI3325000
MDL Number MFCD00005183
PubChem Substance ID 24880372
Purity > 99.5%
UN Number 2923 8/PG 3
pKa = 6.95
The useful pH range of an Imidazole can be 6.2 - 7.8
HR2-819 is titrated to pH 7.0 using HCl
HR2-819 Measured Conductivity Range: 45.4 - 50.4 mS/cm at 25 degrees Celsius
HR2-819 Measured Refractive Index Range: 1.34836 - 1.34904 at 20 degrees Celsius
Titrate HR2-573 to the desired pH using HCl
HR2-573 Measured pH Range: 10.5 - 10.7 at 25 degrees Celsius
HR2-573 Measured Conductivity Range: 71.1 - 101.5 uS/cm at 25 degrees Celsius
HR2-573 Measured Refractive Index Range: 1.34420 - 1.34440 at 20 degrees Celsius
Ca <0.001%
Cd <0.0005%
Cl <0.005%
Co <0.0005%
Cr <0.0005%
Cu <0.0005%
Fe <0.0005%
K <0.005%
Mg <0.0005%
Na <0.005%
Ni <0.0005%
Pb <0.0005%
SO4 <0.005%
Zn <0.0005%