WebElements Periodic Table of the Elements | Phosphorus

Phosphorus compounds: diphosphorus tetrachloride

The phosphorus in diphosphorus tetrachloride formally is in the oxidation state 2.

Diphosphorus tetrachloride

Formula as often written: P₂Cl₄
Hill system formula: Cl₄P₂
CAS registry number: [13497-91-1]
Formula weight: 203.758
Class: chloride

Synonyms

diphosphorus tetrachloride
phosphorus(III) chloride
phosphorus chloride

Physical properties

Colour: colourless
Appearance: liquid, oily
Melting point: -28
Boiling point: 180
Density:

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Element analysis

Element percentages for the elements in diphosphorus tetrachloride
Element	%
Cl	69.60
P	30.40

Synthesis

Not available

Isotope pattern

What follows is the calculated isotope pattern for the P₂Cl₄ unit with the most intense ion set to 100%.

Formula: P₂Cl₄

mass  %
202  78.2 _______________________________________
203   0.0 
204 100.0 __________________________________________________
205   0.0 
206  48.0 ________________________
207   0.0 
208  10.2 _____
209   0.0 
210   0.8

References

The data on these compounds pages are assembled and adapted from the primary literature and several other sources including the following.

R.T. Sanderson in Chemical Periodicity, Reinhold, New York, USA, 1960.
N.N. Greenwood and A. Earnshaw in Chemistry of the Elements, 2nd edition, Butterworth, UK, 1997.
F.A. Cotton, G. Wilkinson, C.A. Murillo, and M. Bochmann, in Advanced Inorganic Chemistry, John Wiley & Sons, 1999.
A.F. Trotman-Dickenson, (ed.) in Comprehensive Inorganic Chemistry, Pergamon, Oxford, UK, 1973.
R.W.G. Wyckoff, in Crystal Structures, volume 1, Interscience, John Wiley & Sons, 1963.
A.R.West in Basic solid state chemistry Chemistry, John Wiley & Sons, 1999.
A.F. Wells in Structural inorganic chemistry, 4th edition, Oxford, UK, 1975.
J.D.H. Donnay, (ed.) in Crystal data determinative tables, ACA monograph number 5, American Crystallographic Association, USA, 1963.
D.R. Lide, (ed.) in Chemical Rubber Company handbook of chemistry and physics, CRC Press, Boca Raton, Florida, USA, 77th edition, 1996.
J.W. Mellor in A comprehensive treatise on inorganic and theoretical chemistry, volumes 1-16, Longmans, London, UK, 1922-1937.
J.E. Macintyre (ed.) in Dictionary of inorganic compounds, volumes 1-3, Chapman & Hall, London, UK, 1992.