Phosphorus pentoxide CAS 1314-56-3
| CAS No. | 1314-56-3 |
| Molecular Formula | O10P4 |
| Molecular Weight | 283.89 g/mol |
| 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.
Phosphorus pentoxide (CAS 1314-56-3), molecular formula O10P4 and molecular weight 283.89 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a phosphate ester group, Phosphorus pentoxide is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 283.89 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
CATO manufactures Phosphorus pentoxide 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.
Physical & Chemical Properties
| Molecular Formula | O10P4 |
| Molecular Weight | 283.89 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1957 |
Related Phosphorus Standards
- Phosphorus Pentasulfide (CAS 1314-80-3)
- Phosphorus sesquisulfide (CAS 1314-85-8)
- Phosphorus Pentachloride (CAS 10026-13-8)
- Phosphorus triiodide (CAS 13455-01-1)
- Phosphorus Trichloride (CAS 7719-12-2)
- Phosphorus (CAS 7723-14-0)
- 39394-84-8 Phosphorus pentoxide methanesulfonic acid methanesulfonic acid compound with phosphenic anhydride (1:1) (CAS 39394-84-8)
- Phosphorus tetraiodide (CAS 13455-00-0)
Recommended Standards
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- 2,3,5,6-Tetrachlorobenzotrifluoride (CAS 7656-99-7)
- Octahydro-1H-cyclopenta[b]pyridine (CAS 51501-54-3)
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- 3,3-difluoro-1H,2H,3H-pyrrolo[2,3-b]pyridin-2-one (CAS 1393532-39-2)
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- Acetyl decapeptide-3 (CAS 935288-50-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com