Manganese(2+)
A divalent metal cation in which the metal is manganese. — ChEBI
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Identity & molecular properties
Source-linked values| CAS number | 16397-91-4 | ChEBI ↗ |
| Molecular formula | Mn | ChEBI ↗ |
| Molar mass | 54.938 g/mol | ChEBI ↗ |
| Monoisotopic mass | 54.93695 Da | ChEBI ↗ |
| Formal charge | 2 | ChEBI ↗ |
| ChEBI identifier | CHEBI:29035 | ChEBI ↗ |
Names & structural identifiers
Copy any identifiermanganese(2+)manganese(2+)WAEMQWOKJMHJLA-UHFFFAOYSA-N[Mn+2]InChI=1S/Mn/q+2Names & synonyms
Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.
Classification & relationships
ChEBI ontologyRoles recorded in ChEBI
Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.
Mass ↔ amount of substance
Calculated from sourced massUses 54.938 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsMnCalculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.
Research & patent references
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Sources & record history
Checked 27 Sep 2026Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0
PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.