Potassium phosphate trihydrate CAS 22763-03-7
| CAS No. | 22763-03-7 |
| Molecular Formula | O4P |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Potassium phosphate trihydrate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
CATO supplies Potassium phosphate trihydrate (CAS 22763-03-7), a certified reference material (molecular formula O4PKH2O, MW 152.08 g/mol) for analytical method development and quality control.
Owing to a phosphate ester group, Potassium phosphate trihydrate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 152.08 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.
Physical & Chemical Properties
| Molecular Formula | O4P 3*K 3*H2O |
| Molecular Weight | 152.08 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.) | 1963 |
Recommended Standards
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- 5-(4-Bromo-2-chlorophenyl)furan-2-carbaldehyde (CAS 874592-31-1)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com