Phosphorous acid, tris(methylphenyl) ester CAS 25586-42-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 25586-42-9 |
| Molecular Formula | C21H21O3P |
| Molecular Weight | 352.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Phosphorous acid, tris(methylphenyl) ester (CAS 25586-42-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C21H21O3P. Molecular weight: 352.36 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C21H21O3P |
| Molecular Weight | 352.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
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Recommended Standards
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