1.0 2010-04-08 22:09:03 UTC 2025-11-18 23:19:04 UTC FDB010279 Sodium sesquicarbonate It is used as a food additive . Carbonic acid, sodium salt (2:3) Trisodium hydrogendicarbonate C2Na3O6 188.9871 188.938796757 trisodium dicarbonate trisodium dicarbonate 533-96-0 [Na].[Na].[Na].[O-]C([O-])=O.[O-]C([O-])=O InChI=1S/2CH2O3.3Na.3H/c2*2-1(3)4;;;;;;/h2*(H2,2,3,4);;;;;;/p-4 ASSSVEAZABOIBE-UHFFFAOYSA-J logp 0.25 ChemAxon pka_strongest_acidic 6.05 ChemAxon iupac trisodium dicarbonate ChemAxon average_mass 188.9871 ChemAxon mono_mass 188.938796757 ChemAxon smiles [Na].[Na].[Na].[O-]C([O-])=O.[O-]C([O-])=O ChemAxon formula C2Na3O6 ChemAxon inchi InChI=1S/2CH2O3.3Na.3H/c2*2-1(3)4;;;;;;/h2*(H2,2,3,4);;;;;;/p-4 ChemAxon inchikey ASSSVEAZABOIBE-UHFFFAOYSA-J ChemAxon polar_surface_area 63.19 ChemAxon refractivity 31.17 ChemAxon polarizability 3.52 ChemAxon rotatable_bond_count 0 ChemAxon acceptor_count 3 ChemAxon donor_count 0 ChemAxon physiological_charge -1 ChemAxon formal_charge -4 ChemAxon