1.0 2010-04-08 22:11:49 UTC 2025-11-19 00:54:39 UTC FDB015389 Borax Listed in the EAFUS Food Additive Database (Jan. 2001) but with no current reported use. Historically used as a food preservative since ca. 1800, common in butter/margarine. Now limited to preservation of caviar Borax decahydrate Disodium tetraborate decahydrate Jaikin Na2[B4O5(OH)4].8H2O Sodium borate decahydrate Sodium borate, acs Sodium borate, JAN, USAN Sodium tetraborate decahydrate Tincal B4H20Na2O17 381.372 382.086810428 disodium bicyclo[3.3.1]tetraboroxane-1,3,5,7-tetrol octahydrate disodium bicyclo[3.3.1]tetraboroxane-1,3,5,7-tetrol octahydrate 1303-96-4 O.O.O.O.O.O.O.O.[Na+].[Na+].OB1O[B]2(O)OB(O)O[B](O)(O1)O2 InChI=1S/B4H4O9.2Na.8H2O/c5-1-9-3(7)11-2(6)12-4(8,10-1)13-3;;;;;;;;;;/h5-8H;;;8*1H2/q;2*+1;;;;;;;; IKVFRZBTOKCMKG-UHFFFAOYSA-N belongs to the class of inorganic compounds known as alkali metal borates. These are inorganic compounds in which the largest oxoanion is borate, and in which the heaviest atom not in an oxoanion is an alkali metal. Alkali metal borates Inorganic compounds Mixed metal/non-metal compounds Alkali metal oxoanionic compounds Alkali metal borates Inorganic oxides Inorganic salts Metalloid salts Miscellaneous borates Alkali metal borate Borate Inorganic metalloid salt Inorganic oxide Inorganic salt iupac disodium bicyclo[3.3.1]tetraboroxane-1,3,5,7-tetrol octahydrate ChemAxon average_mass 381.372 ChemAxon mono_mass 382.086810428 ChemAxon smiles O.O.O.O.O.O.O.O.[Na+].[Na+].OB1O[B]2(O)OB(O)O[B](O)(O1)O2 ChemAxon formula B4H20Na2O17 ChemAxon inchi InChI=1S/B4H4O9.2Na.8H2O/c5-1-9-3(7)11-2(6)12-4(8,10-1)13-3;;;;;;;;;;/h5-8H;;;8*1H2/q;2*+1;;;;;;;; ChemAxon inchikey IKVFRZBTOKCMKG-UHFFFAOYSA-N ChemAxon polar_surface_area 127.07 ChemAxon refractivity 17.01 ChemAxon polarizability 15.09 ChemAxon rotatable_bond_count 0 ChemAxon acceptor_count 0 ChemAxon donor_count 0 ChemAxon physiological_charge 0 ChemAxon formal_charge 2 ChemAxon HMDB36492 38888 #<Reference:0x00007f08d54d7b70>