1-Butyl-3-methyl-1H-imidazol-3-ium dihydrogen phosphate CAS 478935-31-8
| CAS No. | 478935-31-8 |
| Molecular Formula | C8H17N2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Butyl-3-methyl-1H-imidazol-3-ium dihydrogen phosphate (CAS 478935-31-8), molecular formula C8H17N2H2O4P and molecular weight 238.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H17N2H2O4P, 1-Butyl-3-methyl-1H-imidazol-3-ium dihydrogen phosphate contains an amide group, a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 238.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-Butyl-3-methyl-1H-imidazol-3-ium dihydrogen phosphate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H17N2 H2O4P |
| Molecular Weight | 238.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 0.5 |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
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Why CATO?
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