IMIDAZOLE Molecular Biology

Article No. Grade Purity CAS No. Molecular Formula Molecular Weight H.S. Code Shelf Life
SC3970 Molecular Biology 99.90% 288-32-4 C3H4N2 68.08 2933.299 60 Months

Packings

25 g,100 g

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

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 and Hazard Symbols

Corrosion Exclamation Mark Health Hazard
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
Risk Statement
Safety Statement
Revision Date : 01-Apr-2021