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Hydroxide Ion

Names IUPAC nameHydroxideSystematic IUPAC nameOxidanide (not recommended)Identifiers CAS Number14280-30-93D model (JSmol)Interactive imageChEBICHEBI:16234ChemSpider936PubChemCID961UNII9159UV381PInChIInChI=1S/H2O/h1H2/p-1SMILES[OH-]Properties Chemical formulaOHMolar mass17.007 g·mol Basicity (pKb) 0.0 Conjugate acidWaterConjugate baseOxide anionRelated compounds Related compoundsO2HOHO2H2OExcept where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).Hydroxide (occasionally hydroxyl ion) is a diatomic anion with chemical formula OH.

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