IMIDAZOLE
IMIDAZOLE Molecular Biology
Short Name: IMIDAZOLE
Synonym: 1,3-Diaza-2,4-cyclopentadiene; Glyoxaline
Basic Details
Article No.
LG2534
Grade
Molecular Biology
Purity
99.9%
CAS No.
288-32-4
HS Code
2933.2990
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
White to pale yellow
Odour
Amine like
pH value
9.5 - 11
Melting point/ Freezing point [°C]
88 - 91 °C
Flash point [°C]
> 135 °C
Boiling point [°C]
256 °C
Vapour pressure [20°C]
0.003 hPa at 20 °C
Density [g/cm3]
1.03
Solubility in water [% weight]
Soluble in water
Partition coefficient Log Pow octanol /water at 20°C
0.02
Chemical Specifications
Appearance
White crystalline powder
Assay (titration)
Min 99.9%
pK (at 20°C)
7.05
Solubility (20°C)
663 g/L (H2O)
Useful pH range
6.2 - 7.8
DNAase/RNAase
Not detectable
Proteases/Phosphatases
Not detectable
Melting point
88 - 90 deg C
pH (0.1 M solution in water)
9.5 - 11
Water (H2O)
Max 0.01%
Chloride (Cl)
Max 0.005%
Sulphate (S)
Max 0.005%
Aluminium (Al)
Max 0.0005%
Arsenic (As)
Max 0.00001%
Cadmium (Cd)
Max 0.0005%
Iron (Fe)
Max 0.0005%
Manganese (Mn)
Max 0.0005%
Lead (Pb)
Max 0.0005%
Zinc (Zn)
Max 0.0005%
UV absorbance (1 cm; 0.1 M in water)
260 nm
Max 0.1
280 nm
Max 0.1
Safety Information & Hazard Symbols
Symbol
GHS05, GHS07, GHS08
Signal Word
Danger
UN No.
3263
IMCO Class No.
8
Packing Group
II
Hazardous Statement
H302-H314-H360D
Precaution Statement
P201-P280-P305 + P351 + P338-P310