has role gas molecular entity alkane isobutane 58.07825 E943b Beilstein:1730720 Wikipedia:Isobutane NNPPMTNAJDCUHE-UHFFFAOYSA-N CAS:75-28-5 PMID:24179026 CC(C)C 2-methylpropane R-600a C4H10 Codex::943b Europe::943b 0 KEGG:D04623 PMID:24464945 isobutane CHEBI:30363 chebi_ontology InChI=1S/C4H10/c1-4(2)3/h4H,1-3H3 Reaxys:1730720 An alkane that is propane substituted by a methyl group at position 2. (CH3)2CH-CH3 58.12220 Gmelin:1301 LanguaL term definition: Food additive; technological purpose(s): propellant. isobutane food propellant refrigerant food additive