Synonyms: 1,3-Propanediol,2,2-dimethyl-, cyclic sulfite (7CI,8CI); 2,2-Dimethyl-1,3-propanediol cyclicsulfite; 2,2-Dimethyl-1,3-propanediyl sulfite; 2,2-Dimethyltrimethylenesulfite; 5,5-Dimethyltrimethylene sulfite; Neopentyl glycol cyclic sulfite;Neopentyl sulfite