1-Butyl-3-methylimidazolium hydrogen sulfate CAS 693226-64-1
| CAS No. | 693226-64-1 |
| Molecular Formula | C9H17N2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Butyl-3-methylimidazolium hydrogen sulfate (CAS 693226-64-1) is a high-purity analytical reference standard with the molecular formula C9H17N2HO4S and a molecular weight of 250.31 g/mol.
Based on its molecular formula C9H17N2HO4S, 1-Butyl-3-methylimidazolium hydrogen sulfate contains an amide group, a sulfone 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 250.31 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-methylimidazolium hydrogen sulfate 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 | C9H17N2 HO4S |
| Molecular Weight | 250.31 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) | 2.0 |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Butyl Standards
- 1-Ethyl-3-methylimidazolium Trifluoromethanesulfonate (CAS 145022-44-2)
- 1-Ethyl-3-methylimidazolium chloride-d<SUB>11</SUB> (CAS 160203-52-1)
- 1-Butyl-3-methylimidazolium Tetrafluoroborate (CAS 174501-65-6)
- 1-ethyl-3-methylimidazolium trifluoroacetate (CAS 174899-65-1)
- 1-Ethyl-3-methylimidazolium Bis(trifluoromethanesulfonyl)imide (CAS 174899-82-2)
- 1-Butyl-3-methylimidazolium Nitrate (CAS 179075-88-8)
- 1-Butyl-3-Methylimidazolium Chloroaluminate(Iii)-Kit (CAS 184695-80-5)
- 1-Propyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (CAS 216299-72-8)
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