| CAS No. | 13874-04-9 |
| Molecular Formula | AuCl4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 374.82 g/mol gives Ammonium tetrachloroaurate hydrate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ammonium tetrachloroaurate hydrate (CAS 13874-04-9), molecular formula AuCl4H4NH2O and molecular weight 374.82 g/mol, is a CATO reference standard with documented purity and traceability.
Ammonium tetrachloroaurate hydrate (AuCl4H4NH2O) contains chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), Ammonium tetrachloroaurate hydrate 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.
| Molecular Formula | AuCl4 H4N H2O |
| Molecular Weight | 374.82 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Freely soluble in water |
| Stability | Light-sensitive; avoid direct strong light |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |