12267-73-1 Boric acid, disodium salt, hydrate Tetraboron disodium heptaoxide, hydrate EINECS 235-541-3 CAS 12267-73-1
| CAS No. | 12267-73-1 |
| Molecular Formula | 2*Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
12267-73-1 Boric acid, disodium salt, hydrate Tetraboron disodium heptaoxide, hydrate EINECS 235-541-3 (CAS 12267-73-1), molecular formula NaH2OOB and molecular weight 67.81 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 12267-73-1 Boric acid, disodium salt, hydrate Tetraboron disodium heptaoxide, hydrate EINECS 235-541-3 (NaH2OOB) is characterized by an inorganic composition. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
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.
Physical & Chemical Properties
| Molecular Formula | 2*Na H2O 7*O 4*B |
| Molecular Weight | 67.81 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.) | 1960 |
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