Imidazol 250gm
Imidazole buffer substance ACS. CAS 288-32-4, pH 10.5 (67 g/l, H₂O, 20 °C).
Manufacturer: Merck
Catalog ID: 104716.0250
Stock: In Stock
Description
| Catalogue Number | 104716 |
| Synonyms | Glyoxaline, Iminazole |
Product Information
| CAS number | 288-32-4 |
| EC index number | 613-319-00-0 |
| EC number | 206-019-2 |
| Grade | ACS |
| Hill Formula | C₃H₄N₂ |
| Molar Mass | 68.08 g/mol |
| HS Code | 2933 29 90 |
Applications
| Application | Imidazole buffer substance ACS. CAS 288-32-4, pH 10.5 (67 g/l, H₂O, 20 °C). |
Physicochemical Information
| Boiling point | 256 °C (1013 hPa) |
| Density | 1.233 g/cm3 (20 °C) |
| Flash point | 145 °C |
| Ignition temperature | 480 °C |
| Melting Point | 90 °C |
| pH value | 10.5 (67 g/l, H₂O, 20 °C) |
| Vapor pressure | 0.003 hPa (20 °C) |
| Bulk density | 500 - 600 kg/m3 |
| Solubility | 633 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 970 mg/kg |
Storage and Shipping Information
| Storage | Store at +15°C to +25°C. |
Specifications
| Assay (perchloric acid titration) | ≥ 99 |
| Identity (IR-spectrum) | conforms |
| pH-value (5 %, in water) | 9.5 - 11.0 |
| Melting point | 90 - 92 |
| UV/VIS Spectrum | conforms |
| Fe (Iron) | ≤ 0.001 % |
| Sulfated ash | ≤ 0.1 |
| Water (according to Karl Fischer) | ≤ 0.2 |
| Corresponts to ACS |
