Toothpaste Without Titanium Dioxide-Is Titanium Dioxide Soluble

Titanium dioxide (TiO2) is generally considered to be insoluble in water. It is a white, powdery substance that is used as a pigment in paints, plastics, papers, and other materials because of its brightness and opacity. In its pure form, titanium dioxide does not dissolve in water or most other solvents at room temperature and pressure.

However, the solubility of titanium dioxide can be affected by factors such as temperature, pH, and the presence of other chemicals. For example, at very high temperatures, some titanium dioxide can dissolve in basic solutions, forming titanium compounds. But under normal conditions, it is considered to be a highly insoluble material in water and most solvents.