WebElements Periodic Table of the Elements | Arsenic

Arsenic compounds: diarsenic pentasulphide

The arsenic in diarsenic pentasulphide formally is in the oxidation state 5.

Diarsenic pentasulphide

Formula as often written: As₂S₅
Hill system formula: As₂S₅
CAS registry number: [1303-34-0]
Formula weight: 310.173
Class: sulphide

Synonyms

diarsenic pentasulphide
arsenic(V) sulphide
arsenic pentasulfide
arsenic pentasulphide
arsenic(V) sulfide
diarsenic pentasulfide
diarsenic sulfide
diarsenic sulphide

Physical properties

Colour: yellow or brown yellow
Appearance: solid
Melting point: 300°C
Boiling point: 500°C
Density:

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Element analysis

Element percentages for the elements in diarsenic pentasulphide
Element	%
As	48.31
S	51.69

Synthesis

Not available

Isotope pattern

What follows is the calculated isotope pattern for the As₂S₅ unit with the most intense ion set to 100%.

Formula: As₂S₅

mass  %
310 100.0 __________________________________________________
311   4.0 __
312  22.2 ___________
313   0.7 
314   2.1 _
315   0.1 
316   0.1 
317   0.0 
318   0.0

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.