glycol secondary alcohol butanediol butane-2,3-diol 2,3-Butanediol 2,3-Butylene glycol 2,3-Dihydroxybutane 90.068 90.12100 A butanediol in which hydroxylation is at C-2 and C-3. C4H10O2 CAS:513-85-9 CC(O)C(C)O CHEBI:62064 Dimethylene glycol Dimethylethylene glycol InChI=1S/C4H10O2/c1-3(5)4(2)6/h3-6H,1-2H3 OWBTYPJTUOEWEK-UHFFFAOYSA-N Pseudobutylene glycol Sym-dimethylethylene glycol Wikipedia:2,3-Butanediol butane-2,3-diol chebi_ontology