... -like or flaky crystals. Flammable, easy sublimation. Melting point 52.8 °C, boiling point 202 °C, 179.5 °C (53.3kPa ... , slightly soluble in carbon tetrachloride and crude gasoline. Flash point (open cup) 110 °C.PropertyunitValueAppearanceWhite Pastille ,Briquet Molten ... type or flakesPurity(Total acid)wt%99.50 MinSolidification Point°C52.45 MinMolten ColorAPHA20 MaxAshwt/%0.003 MaxIronPPM5 MaxThermal ...