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Physical properties of matter are the characteristics that determine its mass, volume and density. They also include its color, texture and temperature. Physical properties are a function of the electronic configuration of the atoms that make up matter and the interactions between them.
The chemical compound fecl3 is an ionic or molecular compound that has iron and chlorine as its building blocks. This compound is a brown, noncombustible solid that is corrosive to aluminum and most metals. Its crystals are hygroscopic, and the dry compound is slightly soluble in water. Its solution is acidic, and it is a Lewis acid, meaning that it can donate electrons to other species.
FeCl3 is also a strong oxidizing agent. It oxidizes copper to copper(II) chloride and ferrous chloride in the presence of oxygen, and it is capable of forming adducts with some Lewis acids such as triphenylphosphine oxide. It is also a weak reducing agent. The anhydrous form deliquesces to produce hydrated hydrogen chloride mists in moist air.
FeCl3 has also been shown to induce the formation of occlusive mixed thrombi in the carotid arteries of rats. These clots were composed of activated platelets, fibrin strands and entrapped erythrocytes. The average time to occlusion (TTO), measured by an abrupt drop in the vessel segment’s temperature, was reduced from 56 +/- 4 min to 14 +/- 1 min after 10 and 65% of the compound was applied. XRD and ESR studies of PVA films filled with different mass fractions of FeCl3 showed that the material has an octahedral structure with cis-Fe-Cl bond distances of 2.296 A and 2.077 A respectively.