IMIDAZOLE

IMIDAZOLE Molecular Biology

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

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

Certificate of Analysis (COAs)

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

25 g (00025)
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

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

Resources