| CAS No. | 25681-79-2 |
| Molecular Formula | Na2 |
| Molecular Weight | 45.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Disodium (CAS 25681-79-2) is a high-purity analytical reference standard with the molecular formula Na2 and a molecular weight of 45.98 g/mol.
Based on its molecular formula Na2, Disodium contains an inorganic composition; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 45.98 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
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), Disodium 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 | Na2 |
| Molecular Weight | 45.98 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Freely soluble in water |
| Stability | Stable under recommended storage conditions |
| CAS Registry Year (est.) | 1964 |