silicon dioxide (SiO2)n 59.967 60.08430 A silicon oxide made up of linear triatomic molecules in which a silicon atom is covalently bonded to two oxygens. CAS:7631-86-9 CHEBI:30563 Drug_Central:4284 Gmelin:200274 InChI=1S/O2Si/c1-3-2 KEGG:C19572 Kieselsaeureanhydrid MolBase:887 O2Si O=[Si]=O PMID:8991630 Reaxys:3902804 SiO2 Silica, amorphous Siliziumdioxid VYPSYNLAJGMNEJ-UHFFFAOYSA-N [SiO2] chebi_ontology silica silicic anhydride silicon dioxide silicon(IV) oxide silicon oxide