Diphosphoryl chloride
Synonym(s):Diphosphoric tetrachloride;Pyrophosphoric tetrachloride;Pyrophosphoryl chloride
- CAS NO.：13498-14-1
- Empirical Formula: Cl4O3P2
- Molecular Weight: 251.76
- MDL number: MFCD00061542
- EINECS: 236-824-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:18:41
What is Diphosphoryl chloride?
Chemical properties
Colorless liquid
The Uses of Diphosphoryl chloride
Pyrophosphoryl chloride serves as a reductive chlorination reagent used in the synthesis of quetiapine. It acts as a phosphorylating agent involved in nucleoside synthesis. It plays an important role in Vilsmeier formylation and glyoxylation reactions.
Properties of Diphosphoryl chloride
| Melting point: | <-50°C |
| Boiling point: | 90 °C12 mm Hg(lit.) |
| Density | 1.82 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 101°C/10mm |
| storage temp. | −20°C |
| solubility | Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly) |
| form | Liquid |
| color | Colorless to pale yellow |
| Specific Gravity | 1.82 |
| Water Solubility | Reacts violently with waterMiscible with most organic solvents. |
| Sensitive | Air & Moisture Sensitive |
| CAS DataBase Reference | 13498-14-1(CAS DataBase Reference) |
Safety information for Diphosphoryl chloride
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for Diphosphoryl chloride
| InChIKey | CNTIXUGILVWVHR-UHFFFAOYSA-N |
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