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Phosphonium salt
Product Name
| Alternative name |
Phosphonium salt |
| Chemical name |
4-carboxybutyltriphenylphosphoniumbromide |
| CAS number |
17814-85-6 |
Formula
| Formula |
C23H24BrO2 |
| Relative molecular weight |
443.33 |
| Structure |
|
Physiochemical data
| Solubility |
| Chlorinated organic solvents |
soluble |
| Ethanol |
soluble |
| Methanol |
soluble |
| Water |
partially soluble |
| Toluene |
insoluble |
| Hexane |
insoluble |
|
| Appearance |
white to off white, hygroscopic crystalline material |
| Melting point range |
203 - 207°C |
Principal analytical parameters
| Assay (titration) |
98.0 - 102.0% abs. |
| Melting point |
min. 203.0°C interval max. 3.0°C |
Complete specification is available upon request.
Storage and stability
The product is stored in immediate packaging (PE bag) in a cooler at temperature -5 to +5°C in a dry and dark place. Retest time is 12 months under these conditions.
Use
Phosphonium salt is a key intermediate for manufacture of some types of prostaglandins, which are subsequently used as active ingredients of both human and veterinary drugs.
