| CAS No. | 57584-27-7 |
| Molecular Formula | Tb |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 57584-27-7 Terbium (III) nitrate hydrate terbium(III) nitrate pentahydrate is closely related to an inorganic composition in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
57584-27-7 Terbium (III) nitrate hydrate terbium(III) nitrate pentahydrate (CAS 57584-27-7), molecular formula TbNO3H2O and molecular weight 238.95 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an inorganic composition, 57584-27-7 Terbium (III) nitrate hydrate terbium(III) nitrate pentahydrate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 238.95 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | Tb 3*NO3 5*H2O |
| Molecular Weight | 238.95 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.) | 1973 |
| Nitrogen Atoms | 1 |