Sodium Thiophosphate Dodecahydrate CAS 51674-17-0
| CAS No. | 51674-17-0 |
| Molecular Formula | O3PS |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Sodium Thiophosphate Dodecahydrate (CAS 51674-17-0), a certified reference material (molecular formula O3PSNaH2O, MW 152.04 g/mol) for analytical method development and quality control.
Owing to a sulfone group, a phosphate ester group, Sodium Thiophosphate Dodecahydrate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 152.04 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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 | O3PS 3*Na 12*H2O |
| Molecular Weight | 152.04 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.) | 1971 |
| Sulfur Atoms | 1 |
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Why CATO?
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