| CAS No. | 7440-58-6 |
| Molecular Formula | Hf |
| Molecular Weight | 178.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
CATO supplies Hafnium (CAS 7440-58-6), a certified reference material (molecular formula Hf, MW 178.49 g/mol) for analytical method development and quality control.
Hafnium (Hf) contains an inorganic composition. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
| Molecular Formula | Hf |
| Molecular Weight | 178.49 g/mol |
| Purity | 1000μg/mL-10% H2SO4 |
| Storage | Store at 2-8°C |
| Solubility (reference) | Freely soluble in water |
| Stability | Stable under recommended storage conditions |
| CAS Registry Year (est.) | 1959 |