Home›ECHA InfoCard ID from Wikidata›텅스텐산🌐한국어EnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTiếng ViệtРусскийفارسیहिन्दी한국어中文日本語EntityQ416538· pop 25· linked from 64 articles텅스텐산Also known as dihydrogen wolframate, tungstic(VI) acid, H2WO4, [WO2(OH)2]chemical compoundChemical dataFormulaH2O4WMolecular weight249.85 g/molIUPAC namedihydroxy(dioxo)tungstenSMILESO[W](=O)(=O)OInChIKeyCMPGARWFYBADJI-UHFFFAOYSA-LPolar surface area74.6 ŲH-bond donors2H-bond acceptors4Formal charge0via PubChemWikidata factsMass249.946ImageTungstic acid.jpgAvailable in 24 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoहिन्दीazbConnectionsInternational Standard Book NumberEntitytungstenEntityCategoriesECHA InfoCard ID from WikidataTungstic acids