It's made of beech, pine wood, oak, soft maple or series of plant to dry distillation, to get mixture of phenol. The main component is guaiacol, creosote and other phenols. Nameï¼?Natural medical grade creosote Boiling point()ï¼?203ï½?220 Specific gravityï¼?Water=1ï¼?ï¼?0.862ï½?0.872 Flashing point()ï¼?62.22 Combustibilityï¼?Combustible Characterï¼? Colorless to light yellow oil liquid