| CAS No. | 1309-33-7 |
| Molecular Formula | H3FeO3 |
| Molecular Weight | 106.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Iron(III) hydroxide (H3FeO3) contains an inorganic composition. It is notably hygroscopic; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
Iron(III) hydroxide (CAS 1309-33-7) is a high-purity analytical reference standard with the molecular formula H3FeO3 and a molecular weight of 106.87 g/mol.
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), Iron(III) hydroxide 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 | H3FeO3 |
| Molecular Weight | 106.87 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.) | 1957 |