Synthetic resin for use in the manufacture of protective coatings, adhesives, inks, nitrocellulose and ethyl cellulose lacquers, plastic compositions, asphalt compositions, leather finishes, transparent and tracing papers, coating compositions, rug backings, window-shade cloth, paper coating, casein paints, varnishes and finishes; as a modifier for waxes; as a plasticizer for synthetic and natural resins; as a non-hygroscopic plasticizing agent for casein, glues, and other water-soluble film formers, and as an extender for phenolic resins,