IMIDAZOLE Molecular Biology

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

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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
MSDS
 

 

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

Packings

  • 1PW1200060

    25 g (00025)

  • 1PW1200200

    100 g (00100)

 

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
Revision Date : 01-Apr-2021
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