Diphosphoryl chloride
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Diphosphoryl chloride
structure -
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CAS No:
13498-14-1
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Formula:
Cl4O3P2
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Chemical Name:
Diphosphoryl chloride
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Synonyms:
Diphosphoryl chloride;Pyrophosphoryl chloride;Phosphorodichloridic anhydride;Tetrachloropyrophosphoric acid;Phosphorus chloride oxide (P2Cl4O3);Pyrophosphoryl tetrachloride
- Categories:
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CAS No:
Characteristics
43.4
1.13
Colorless to pale yellow Liquid
1.820 g/cm3 @ Temp: 415 °C
65 °C
101°C/10mm
n 20/D 1.476
Reacts violently with waterMiscible with most organic solvents.
−20°C
Safety Information
II
8
UN 3264 8/PG 2
3
14-34
26-36/37/39-45-60-30-23-20-8
C
P280-P305 + P351 + P338-P310
H314
|Danger|H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]|P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P405, and P501|Aggregated GHS information provided by 52 companies from 5 notifications to the ECHA C&L Inventory.
Diphosphoryl chloride Use and Manufacturing
Put the mixture of phosphorus oxychloride and phosphorus pentoxide (molar ratio of 8:1) into the reaction tube and heat it at 200°C for 48 hours, transfer the reaction product to a flask immersed in a hot water bath, and use a reduced pressure method ( 12mnHg) Distilled to remove unreacted phosphorus oxychloride, and then distilled on a sand bath at 250°C and 12 mmHg. The product is repeatedly distilled under reduced pressure on a boiling water bath to obtain pure pyrophosphoryl chloride. 4POCl3+P2O5→3P2O3C14
Used in pharmaceutical and other organic synthesis, used as laser materials and electronic components.
Computed Properties
Molecular Weight:251.8
XLogP3:1.9
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:2
Exact Mass:251.804729
Monoisotopic Mass:249.807679
Topological Polar Surface Area:43.4
Heavy Atom Count:9
Complexity:154
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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