Home›ECHA InfoCard ID from Wikidata›टंटलम पेन्टाऑक्साइड🌐हिन्दीEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiTiếng ViệtРусскийفارسیहिन्दी한국어中文日本語EntityQ425103· pop 29· linked from 250 articlesटंटलम पेन्टाऑक्साइडchemical compoundChemical dataFormulaO5Ta2Molecular weight441.89 g/molIUPAC namepentakis(oxygen(2-));bis(tantalum(5+))SMILES[O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5]InChIKeyBPUBBGLMJRNUCC-UHFFFAOYSA-NPolar surface area5 ŲH-bond donors0H-bond acceptors5Formal charge0via PubChemWikidata factsMass441.871Show 5 more factsAvailable in 28 languagesEspañolFrançaisDeutsch中文日本語РусскийItalianoहिन्दीazbBahasa IndonesiaConnectionstantalumEntityzirconiumEntityCategoriesECHA InfoCard ID from WikidataHigh-κ dielectricsTantalum(V) compoundsTransition metal oxides