... 5:Appearance:clear and bright. Perchloroethylene:Colorless transparent liquid, with similar ether odor. Can dissolve more substances (such as rubber ... , HgCl2), non-combustible. Of stability. In the absence of air, moisture and catalyst when heated to 500 °C, remained stable ... (20 / 4 °C), refractive index 1.50547. No flash point. With ethanol, ether, chloroform, benzene miscible. Soluble in about 10, ...