| CAS No. | 85222-97-5 |
| Molecular Formula | C8H18O4P |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Ammonium 2-ethylhexyl hydrogenphosphate (CAS 85222-97-5) is a high-purity analytical reference standard with the molecular formula C8H18O4PH4N and a molecular weight of 227.24 g/mol.
Owing to an amide group, a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, Ammonium 2-ethylhexyl hydrogenphosphate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 227.24 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures Ammonium 2-ethylhexyl hydrogenphosphate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C8H18O4P H4N |
| Molecular Weight | 227.24 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) | -1.5 |
| CAS Registry Year (est.) | 1981 |
| Nitrogen Atoms | 1 |