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IMIDAZOLE AR/ACS
Buffer substance for pH 6.2 - 7.8
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC0869 | AR/ACS | 99.50% | 288-32-4 | C3H4N2 | 68.08 | 2933.2990 | 60 Months |
Packings
| 100 g,500 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 to off white crystals/ crystalline powder/flakes |
| Assay (by HClO4 titration) | Min 99.5% |
| pH (5% solution in water) | 9.5 - 11.0 |
| Melting point | 88 - 90°C |
| Iron (Fe) | Max 0.0005% |
| Sulphated ash | Max 0.1% |
| Water (H2O) | Max 0.2% |
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 | |
Revision Date : 01-Apr-2021
Certificate of Analysis (COA's)
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