Altapur™ Hydro P-240 is a 40% active hydrotrope derived from tall oil fatty acid.  Altapur Hydro P-240 improves stability of alkaline cleaners and is compatible with most nonionic and anionic surfactants, phenolic disinfectants, terpenes and fragrances. Altapur Hydro P-240 provides superior cloud point performance and inhibits oil and grease redeposition, even while in the presence of hard water.