| CAS No. | 70983-50-5 |
| Molecular Formula | H2O4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), Carbonic acid sodium salt 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.
Carbonic acid sodium salt (CAS 70983-50-5), molecular formula H2O4SO4SiZrCO3Na and molecular weight 364.38 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a sulfone group, Carbonic acid sodium salt is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 364.38 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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 | H2O4S O4Si Zr CO3 2*Na |
| Molecular Weight | 364.38 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1977 |
| Sulfur Atoms | 1 |