ESSCO 150 MASTIC REMOVER Persistence and degradability Not established. solvent naphtha(petroleum), medium aliph. (64742-88-7) Persistence and degradability Readily biodegradable in water. Adsorbs into the soil. 2-butoxyethanol (111-76-2) Persistence and degradability Readily biodegradable in water. Biodegradable in the soil. Photodegradation in the air.