1.0 2026-04-05 18:16:55 UTC 2026-04-17 18:04:42 UTC Metasilicic acid SmallMolecule Metasilicic acid is an inorganic compound with the chemical formula H2O3Si and an average molecular weight of 78.10 g/mol. Metasilicic acid belongs to the miscellaneous metallic oxoanionic compounds, a subclass of miscellaneous mixed metal/non-metals within the inorganic compounds. In industrial applications, the compound serves as a surface modifier. The substance is utilized in several types of plastics, including polyethylene terephthalate, polypropylene, polyvinyl chloride, low-density polyethylene, and high-density polyethylene. It is found in or released from 55 recorded sources. Within electrical and electronic equipment, it is associated with amplifiers, antennas, coils, adjustable resistors, and auxiliary devices, among 22 other items. In the category of household cleaning and consumer products, it is found in bleaching agents, match receptacles or boxes, cigar cigarettes, other smoking requisites, non-electric simulated smoking devices, and six additional sources. Metasilicic acid is also present in building and construction materials, such as floors, ceilings, roofs, fencing, and ladders, as well as four other sources. Furthermore, it is linked to food, food processing, and cookware, specifically in the preparation of malt, vinegar, wort, wine or sparkling wine, and fermentation processes for beer, along with three other sources. H2O3Si 78.098 77.97732046 7699-41-4 O[Si](O)=O InChI=1/H2O3Si/c1-4(2)3/h1-2H IJKVHSBPTUYDLN-UHFFFAOYSA-N Detected and Not Quantified average_mass 78.098 ChemAxon mono_mass 77.97732046 ChemAxon smiles O[Si](O)=O ChemAxon formula H2O3Si ChemAxon inchi InChI=1/H2O3Si/c1-4(2)3/h1-2H ChemAxon inchikey IJKVHSBPTUYDLN-UHFFFAOYSA-N ChemAxon #<HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f72a9de3f28> 14768 14085