Manganese(II) chloride monohydrate
SIAL/13220 - ≥97.0%
Synonym: Manganese dichloride monohydrate
CAS Number: 64333-01-3
Empirical Formula (Hill Notation): Cl2Mn · H2O
Molecular Weight: 143.86
EC Number: 231-869-6
MDL Number: MFCD00149793
Linear Formula: MnCl2 · H2O
Product Type: Chemical
| anion traces | sulfate (SO42-): ≤1000 mg/kg |
| assay | ≥97.0% |
| cation traces | Fe: ≤200 mg/kg |
| form | powder |
| impurities | ≤0.01% heavy metals (as Pb) |
| InChI | 1S/2ClH.Mn.H2O/h2*1H;;1H2 |
| InChI key | BXRRQHBNBXJZBQ-UHFFFAOYSA |
| Quality Level | 200 ![]() |
| reaction suitability | core: manganese |
| reagent type: catalyst | |
| SMILES string | O.Cl[Mn]Cl |
| Application: | Starting material for preparation of organomanganese chloride reagents; in combination with RLi or RMgX catalyzes reduction of vinyl and aryl halides, stereoselective coupling of vinyl iodides, and alkylation of enol triflates; also used for Mn-Cu-catalyzed conjugate addition of RMgX to enones and for Mn-catalyzed acylation of RMgX by acyl chlorides; in combination with NaBH4 is diastereoselective reducing agent; starting material for the preparation of Mn enolates regio- andstereo-selectively. |
| Symbol | ![]() ![]() ![]() GHS05,GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H301 - H318 - H373 - H411 |
| Precautionary statements | P260 - P273 - P280 - P301 + P310 - P305 + P351 + P338 - P314 |
| Hazard Codes | Xn |
| Risk Statements | 22-52 |
| Safety Statements | 22-36-61 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥97.0% |
| UNSPSC | 12161600 |





