Rhodium(III) nitrate hydrate CAS 10139-58-9
| CAS No. | 10139-58-9 |
| Molecular Formula | Rh |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 182.93 g/mol gives Rhodium(III) nitrate hydrate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Rhodium(III) nitrate hydrate (CAS 10139-58-9), molecular formula RhNO3H2O and molecular weight 182.93 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Rhodium(III) nitrate hydrate (RhNO3H2O) is characterized by an inorganic composition. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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), Rhodium(III) nitrate 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.
Physical & Chemical Properties
| Molecular Formula | Rh 3*NO3 H2O |
| Molecular Weight | 182.93 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 1 |
Related Rhodium Standards
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- Rhodium(III) sulfate solution (CAS 10489-46-0)
- Rhodium(1+), [(1,2,5,6-η)-1,5-cyclooctadiene](N,N,N′,N′-tetramethyl-1,2-ethanediamine-κN,κN′)- (dichloro[(1,2,5,6-η)-1,5-cyclooctadiene]rhodate(1-)) (CAS 108559-48-4)
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