CAS #:

Linear Formula:

MnCl2• 2H2O

EC No.:



Manganese(II) Chloride Dihydrate
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Manganese(II) Chloride Dihydrate Properties (Theoretical)

Compound Formula Cl2H4MnO2
Molecular Weight 161.87
Appearance White powder or granules
Melting Point 650 °C (anhydrous)
Boiling Point 1190 °C (anhydrous)
Density 2.27 g/cm3
Solubility in H2O 1200 g/l
Storage Temperature 5-30 °C
pH 5 - 6 (50 g/l, H2O, 20 °C)
Exact Mass 160.897 g/mol
Monoisotopic Mass 160.897 g/mol

Manganese(II) Chloride Dihydrate Health & Safety Information

Signal Word Warning
Hazard Statements H302-H411
Hazard Codes N, Xi
Precautionary Statements P273
Risk Codes R 22-51/53
Safety Statements S 61
RTECS Number OO9630000
Transport Information UN3077 9/PG III
WGK Germany 1
GHS Pictograms

About Manganese(II) Chloride Dihydrate

Manganese(II) Chloride Dihydrate is generally immediately available in most volumes. American Elements manufactures materials to many standard grades when applicable including Mil Spec (military grade), ACS, Reagent and Technical Grades; Food, Agricultural and Pharmaceutical Grades, Optical, Semiconductor, and Electronics Grades, and follows applicable USP, EP/BP, and ASTM testing standards. Most materials can be produced in high and ultra high purity forms (99%, 99.9%, 99.99%, 99.999%, and higher). Standard and custom packaging is available. Additional technical, research and safety (SDS) information is available. Please request a quote above to receive pricing information based on your specifications.

Manganese(II) Chloride Dihydrate Synonyms

Manganese(2+) dichloride dihydrate, manganous chloride dihydrate

Chemical Identifiers

Linear Formula MnCl2• 2H2O
MDL Number N/A
EC No. 231-869-6
IUPAC Name manganese(2+); dichloride; dihydrate
SMILES O.O.[Cl-].[Cl-].[Mn+2]
InchI Identifier InChI=1S/2ClH.Mn.2H2O/h2*1H;;2*1H2/q;;+2;;/p-2

Packaging Specifications

Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Safety Data Sheet (SDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes, and 36,000 lb. tanker trucks.

Related Elements


Chlorine is a Block P, Group 17, Period 3 element. Its electron configuration is [Ne]3s23p5. The chlorine atom has a covalent radius of 102±4 pm and its Van der Waals radius is 175 pm. Chlorine ModelIn its elemental form, chlorine is a yellow-green gas. Chlorine is the second lightest halogen after fluorine. It has the third highest electronegativity and the highest electron affinity of all elements, making it a strong oxidizing agent. It is rarely found by itself in nature. Chlorine was discovered and first isolated by Carl Wilhelm Scheele in 1774. It was first recognized as an element by Humphry Davy in 1808.


See more Manganese products. Manganese (atomic symbol: Mn, atomic number: 25) is a Block D, Group 7, Period 4 element with an atomic weight of 54.938045. Manganese Bohr ModelThe number of electrons in each of Manganese's shells is [2, 8, 13, 2] and its electron configuration is [Ar] 3d5 4s2. The manganese atom has a radius of 127 pm and a Van der Waals radius of 197 pm. Manganese was first discovered by Torbern Olof Bergman in 1770 and first isolated by Johann Gottlieb Gahn in 1774. In its elemental form, manganese has a silvery metallic appearance. Elemental ManganeseIt is a paramagnetic metal that oxidizes easily in addition to being very hard and brittle. Manganese is found as a free element in nature and also in the minerals pyrolusite, braunite, psilomelane, and rhodochrosite. The name Manganese originates from the Latin word mangnes, meaning "magnet."


October 01, 2023
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