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 | |