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IMIDAZOLE Molecular Biology

1,3-Diaza-2,4-cyclopentadiene; Glyoxaline

COAs

Packings

25 g (00025)

100 g (00100)

1PW1200060 1PW1200200
Print friendly version
Article No. 04162 Grade Molecular Biology
Purity 99.9% CAS No. 288-32-4
Molecular Formula C3H4N2 Molecular Weight 68.08
H.S. Code 2933.2990 Shelf Life 60 Months

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 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
Revision Date: 01-Apr-2021

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