1.0 2026-09-23 00:08:38 UTC 2026-09-23 00:08:38 UTC FDB119151 MALEIC ANHYDRIDE 2,5-dihydrofuran-2,5-dione maleic anhydride belongs to the class of organic compounds known as butenolides. These are dihydrofurans with a carbonyl group at the C2 carbon atom. Butenolides Organic compounds Organoheterocyclic compounds Dihydrofurans Furanones Aliphatic heteromonocyclic compounds Carbonyl compounds Carboxylic acid anhydrides Dicarboxylic acids and derivatives Hydrocarbon derivatives Organic oxides Oxacyclic compounds 2-furanone Aliphatic heteromonocyclic compound Carbonyl group Carboxylic acid anhydride Carboxylic acid derivative Dicarboxylic acid or derivatives Hydrocarbon derivative Organic oxide Organic oxygen compound Organooxygen compound Oxacycle cyclic dicarboxylic anhydride furans logp 0.02 ALOGPS logs 0.12 ALOGPS solubility 1.28e+02 g/l ALOGPS logp 0.56 ChemAxon pka_strongest_basic -6.8 ChemAxon iupac 2,5-dihydrofuran-2,5-dione ChemAxon polar_surface_area 43.37 ChemAxon refractivity 21.4 ChemAxon polarizability 7.6 ChemAxon rotatable_bond_count 0 ChemAxon acceptor_count 2 ChemAxon donor_count 0 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::CMs 113041 Specdb::CMs 126686 Specdb::MsMs 103977 Specdb::MsMs 103978 Specdb::MsMs 103979 Specdb::MsMs 170154 Specdb::MsMs 170155 Specdb::MsMs 170156 Specdb::MsMs 3443011 Specdb::MsMs 3443012 Specdb::MsMs 3443013 Specdb::MsMs 3443818 Specdb::MsMs 3443819 Specdb::MsMs 3443820