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Manganese(II) chloride

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Identification
Molecular formula
MnCl2
CAS number
13446-34-9
IUPAC name
dichloromanganese
State
State

Manganese(II) chloride is typically encountered in its solid state at room temperature. The compound can be found as either an anhydrous solid or as several hydrate forms, the most common being the tetrahydrate.

Melting point (Celsius)
650.00
Melting point (Kelvin)
923.00
Boiling point (Celsius)
1 190.00
Boiling point (Kelvin)
1 463.00
General information
Molecular weight
125.84g/mol
Molar mass
125.8440g/mol
Density
2.9770g/cm3
Appearence

Manganese(II) chloride appears as pink crystals or powder. It is often found in its anhydrous form or as a tetrahydrate, which can affect the color slightly due to hydration. The anhydrous form is typically pale pink while the hydrated form is a deeper pink hue.

Comment on solubility

Solubility of Dichloromanganese

Dichloromanganese, with the chemical formula MnCl2, exhibits intriguing solubility characteristics that are essential to its applications in various fields. Below are key aspects regarding its solubility:

  • Solvent Interaction: Dichloromanganese is generally soluble in polar solvents, particularly water and other polar organic solvents. The polar nature of these solvents helps in breaking the ionic bonds in the compound.
  • Temperature Effect: The solubility of MnCl2 typically increases with temperature, which is a common trend for many ionic compounds. This implies that higher temperatures can enhance its dissolution process.
  • Concentration Level: At higher concentrations, the rate of solubility can slow down due to saturation effects, leading to a maximum limit beyond which no more solute can dissolve.
  • Hydration Effects: When dissolved in water, MnCl2 dissociates into manganese ions (Mn2+) and chloride ions (Cl-), which can impact the ionic strength of the solution, hence affecting the solubility of other compounds.

In summary, the solubility of dichloromanganese is influenced by various factors, including the nature of the solvent, temperature, concentration, and ion interaction in solution. Understanding these parameters is crucial for effectively utilizing this compound in scientific and industrial applications.

Interesting facts

Dichloromanganese: An Overview

Dichloromanganese, a compound of manganese and chlorine, offers a fascinating glimpse into the world of transition metals and their behavior. Here are some interesting facts about this unique compound:

  • Composition: Dichloromanganese consists of a manganese atom bonded to two chlorine atoms, showcasing the ability of manganese to form various coordination compounds.
  • Oxidation States: Manganese in dichloromanganese typically exhibits a +2 oxidation state. This is notable because manganese can display multiple oxidation states ranging from -3 to +7, making it a versatile element in chemical reactions.
  • Applications: Dichloromanganese is not just a subject of academic interest; it plays a role in industrial processes. It can be involved in catalysis, particularly in reactions that require oxidation or reduction.
  • Color Characteristics: Many manganese compounds are known for their vibrant colors, and dichloromanganese can exhibit color variations depending on its coordination environment and the presence of ligands.
  • Reactivity: The compound is reactive with various substances, which makes it useful in chemical syntheses. However, caution is required due to the toxicity of chlorine.

As we explore manganese compounds further, it becomes evident that the intricate balance of reactivity, oxidation states, and practical applications enhances the importance of dichloromanganese in both academic research and industrial chemistry.

Synonyms
manganese (ii) chloride
dichloromanganese
Manganese bichloride
MnCl2
Manganese(II) chloride (1:2)
Manganese(II) chloride, anhydrous
MFCD00011114
Scacchite
Manganese(II) chloride anhydrous crystalline
Manganese(II) chloride, ultra dry
Mangandichlorid
manganous dichloride
Manganese (chloride)
dichlorure de manganese
manganese(II) dichloride
WLN: MN G2
Manganese(II) chloride beads
Manganese chloride, (MnCl2)
NSC9879
s4827
AKOS015904054
Manganese(II) chloride, beads, 98%
CCG-266096
Manganese chloride powder (5 micron)
Manganese(II) chloride, AR, >=99%
Manganese(II) chloride, flakes, 97%
Manganese(II) chloride, LR, >=99%
Manganese(II) chloride, anhydrous beads
CS-0031700
Q421071
Manganese(II) chloride, ultra dry, ampouled under argon
Manganese(II) chloride, purum, anhydrous, 98-102% (AT)
Manganese(II) chloride, powder and chunks, >=99% trace metals basis
Manganese(II) chloride, anhydrous, beads, -10 mesh, 99.99% trace metals basis
Manganese(II) chloride, anhydrous, beads, -10 mesh, 99.999% trace metals basis