Perfluoroheptane, C
7F
16, (usually referring to the straight chain molecule called ''n''-perfluoroheptane) is a per
fluorocarbon.
Pubchem (USG) page on perfluoroheptane
/ref> It is hydrophobic
In chemistry, hydrophobicity is the physical property of a molecule that is seemingly repelled from a mass of water (known as a hydrophobe). In contrast, hydrophiles are attracted to water.
Hydrophobic molecules tend to be nonpolar and, t ...
(water-insoluble) and oleophobic Lipophobicity, also sometimes called lipophobia (from the Greek λιποφοβία from λίπος ''lipos'' "fat" and φόβος ''phobos'' "fear"), is a chemical property of chemical compounds which means "fat rejection", literally "fear of fat". ...
(oil-insoluble). It is used in deacidification
Mass deacidification is a term used in library and information science as one possible measure against the degradation of paper in old books, the so-called " slow fires". The goal of the process is to increase the pH of acidic paper. Although aci ...
of paper as a medium carrying powdered magnesium oxide
Magnesium oxide ( Mg O), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide). It has an empirical formula of MgO and consists of a lattice of Mg2+ ions and O2− ions ...
.
References
Perfluoroalkanes
{{Organohalide-stub