Appearance: white block or powder Properties:Calcium chloride passes for white block or powder, having a strong hygroscopic, relative density 215, melting point, 1935.5 °C °C 775 boiling point. Soluble in water and alcohol.Use:This product is under water heating and the characteristics of low-freezing low, are used for road, highway, parking lot, wharf of snowmelt and removing ice. And a powerful ...