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Other names
Appearance Oily, odourless, colourless[1]
Melting point −15.5 °C; 4.0 °F; 257.6 K Dunglison 1838[1]
Boiling point 170.6 °C; 339.0 °F; 443.7 K Dunglison 1838[1]
Insoluble in water[1]
Solubility 100 parts of eupione in 33 parts of absolute alcohol at 290.3 °K[1]
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Eupione, or eupion, is a hydrocarbon of the paraffin series, probably a pentane, C5H12, discovered by Carl Reichenbach[1] in wood tar. It is also formed in the destructive distillation of many substances, as wood, coal, caoutchouc, bones, resin and the fixed oils. It is a colorless, highly volatile and flammable liquid, having at 20°C a specific gravity of 0.65.[1]


  1. ^ a b c d e f g Robley Dunglison (1838). Dunglison's American medical library. Part 3. A. Waldie. p. 192. Retrieved 28 August 2012. 

Public Domain This article incorporates text from a publication now in the public domainChisholm, Hugh, ed. (1911). Encyclopædia Britannica (11th ed.). Cambridge University Press.