Complex sentence: Magnesium stearate, also called "Octadecanoic acid", "magnesium salt" is a white substance, solid at room temperature, chemical formula C 36 H 70 MgO 4.
Split into simpler sentences: Magnesium stearate, also called "octadecanoic acid, magnesium salt", is a white substance which is solid at room temperature. It has the chemical formula C 36 H 70 MgO 4.