Synonyms: 1,3-Butanediol,cyclic diester with 1-methyltrimethylene borate (7CI); 1,3-Butanediol, cyclicester with boric acid (H3BO3), 1-methyltrimethylene ester (8CI);2,2'-(1-Methyltrimethylenedioxy)bis[4-methyl-1,3,2-dioxaborinane]; Borester 36;NSC 526740; Tri(butylene glycol) biborate