Manganese(II) chloride
An inorganic chloride in which manganese(II) is coordinated to two chloride ions. In its anhydrous state manganese(II) chloride is a polymeric solid, which adopts a layered cadmium chloride-like structure. — ChEBI
Safety documents & references
1 indexed referencesFind a product-specific SDS
Safety guides and government classification records are not a manufacturer’s SDS. Match supplier, product number, concentration, physical form, region and revision before using a document.
Identity & molecular properties
Source-linked values| CAS number | 7773-01-5 | ChEBI ↗ |
| Molecular formula | Cl2Mn | ChEBI ↗ |
| Molar mass | 125.844 g/mol | ChEBI ↗ |
| Monoisotopic mass | 124.87575 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:63041 | ChEBI ↗ |
Names & structural identifiers
Copy any identifiermanganese(II) chloridemanganese(2+) dichlorideGLFNIEUTAYBVOC-UHFFFAOYSA-L[Cl][Mn][Cl]InChI=1S/2ClH.Mn/h2*1H;/q;;+2/p-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.
Safety classification · Japan
NITE / Japanese governmentManganese(II) chloride · H29-A-022
| Endpoint | Reported classification |
|---|---|
| Acute toxicity （Oral） | Category 4 |
| Germ cell mutagenicity | Category 2 |
| Reproductive toxicity | Category 1B |
| Specific target organ toxicity - Repeated exposure | Category 1 (nervous system, respiratory organs) |
| Hazardous to the aquatic environment （Acute） | Category 2 |
| Hazardous to the aquatic environment （Long-term） | Category 3 |
Selected source-reported endpoints. Other endpoints, rationales and conditions remain in the original classification. Missing or unlisted information does not mean non-hazardous. This is not a global classification or transport decision.
Read the original NITE classificationMass ↔ amount of substance
Calculated from sourced massUses 125.844 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsClMnCalculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.
Research & patent references
Selected source associationsSources & record history
Checked 27 Sep 2026Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0
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