INTRODUCTION
Pyrophosphoryl Tetrachloride is a colorless fuming corrosive liquid .It consists of a pyrophosphate (a molecule with a P-O-P bond) group, where one phosphorus atom is bonded to four chlorine atoms and the other is bonded to three chlorine atoms. It is a reactive chemical compound and should be handled with care. Commonly used in the synthesis of other phosphorus-containing compounds and as a chlorinating agent in organic chemistry
Manufacture
It is manufactured by chlorination of Phosphorous Pentoxide with Phosphorous Trichloride followed by distillation process.
| Synonym | Diphosphoric Tetrachloride; Pyrophosphoryl Chloride |
| CAS # | 13498-14-1 |
| EINECS # | 236-824-4 |
| Molecular formula | Cl4O3P2 |
| Molecular weight | 251.76 |
| Structure |  |
Applications
Pyrophosphoryl Tetrachloride has several specialized applications.
| Pharmaceutical |
|---|
| As reductive chlorinating reagent in synthesis of Quetiapine |
| Acts as a phosphorylating agent involved in nucleoside synthesis. |
| Organophosphorus Compounds |
|---|
| Used to prepare Organophosphorus compounds which are widely used in; |
| Pesticides and herbicide |
| Flame retardants |
| Plasticizers |
| Catalyst |
|---|
| Can be used in phosphorylation of reactants, which can facilitate or promote certain reaction pathways. |
| Phosphorous Compounds |
|---|
| Serves as a precursor or intermediate in the synthesis of other more complex phosphorus compounds through; |
| Phosphorylation reactions in the synthesis of certain phosphoryl esters or phosphoric acid derivatives. |
| Phosphorus oxychloride derivatives |
| Others |
|---|
| Used as a chlorinating agent |
SPECIFICATIONS
| Test | Unit | Specifications |
|---|---|---|
| Appearance | – | Colorless, smoking, corrosive liquid |
| Density (at 20 °C) | – | 1.80 -1.82 |
| Assay (By Chloride) | – | NLT 99 |
| Assay (By Acidimetric) | % | NLT 99 |
STORAGE & PRECAUTION
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Reactive fuming corrosive liquid, do not allow product to get in contact with water during storage.
PACKING
2.5 Litre Amber colored glass bottles (Equivalent to 4 kg material)
REACH Status
Not registered
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