Arsenious Acid Sodium Salt CAS 13464-37-4
| CAS No. | 13464-37-4 |
| Molecular Formula | AsO3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Arsenious Acid Sodium Salt (AsO3Na) contains an inorganic composition. The molecule exhibits a degree of unsaturation (DBE) of 0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 145.91 g/mol, it falls into the low-molecular-weight range.
CATO supplies Arsenious Acid Sodium Salt (CAS 13464-37-4), a certified reference material (molecular formula AsO3Na, MW 145.91 g/mol) for analytical method development and quality control.
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), Arsenious 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.
Physical & Chemical Properties
| Molecular Formula | AsO3 3*Na |
| Molecular Weight | 145.91 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1960 |
Recommended Standards
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Why CATO?
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