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
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 |