Manganese(II) Chloride, MnCl2 is the dichloride salt of manganese. As inorganic chemical existting in the anhydrous form, the most common form is dihydrate (MnCl2·2H2O) and tetrahydrate MnCl2·4H2O). Just as many Mn(II) species, these salts are pink.
Manganese(II) Chloride Tetrahydrate
CAS No.
13446-34-9
Chemical formula
MnCl2·4H2O
Molar mass
197.91 g/mol (anhydrous)
Appearance
pink solid
Density
2.01 g/cm3
Melting point
tetrahydrate dehydrates at 58 °C
Boiling point
1,225 °C (2,237 °F; 1,498 K)
Solubility in water
63.4 g/100 ml (0 °C)
73.9 g/100 ml (20 °C)
88.5 g/100 ml (40 °C)
123.8 g/100 ml (100 °C)
Solubility
slightly soluble in pyridine, soluble in ethanol, insoluble in ether.
Magnetic susceptibility (χ)
+14,350·10−6 cm3/mol
Manganese(II) Chloride Tetrahydrate Specification
Symbol
Grade
Chemical Component
Assay ≥(%)
Foreign Mat.≤ %
MnCl2·4H2O
Sulfate(SO42-)
Iron(Fe)
Heavy metal(Pb)
Barium(Ba2+)
Calcium(Ca2+)
Magnesium(Mg2+)
Zinc(Zn2+)
Aluminum(Al)
Potassium(K)
Sodium(Na)
Copper(Cu)
Arsenic(As)
Silicon(Si)
Insoluble matter in water
UMMCTI985
Industrial
98.5
0.01
0.01
0.01
-
-
-
-
-
-
-
-
-
-
0.05
UMMCTP990
Pharmaceutical
99.0
0.01
0.005
0.005
0.005
0.05
0.01
0.01
-
-
-
-
-
-
0.01
UMMCTB990
Battery
99.0
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.001
0.005
0.005
0.001
0.001
0.001
0.01
Packing：Paper plastic compound bag lined with double high pressure polyethylene inner bag, net weight: 25kg/ bag, or according to customer requirements.
What is Manganese(II) Chloride Tetrahydrate used for?
Manganese(Ⅱ)Chloride is widely used in dye industry, medical products, catalyst for chloride compound, coating desiccant, manufacturing of manganese borate for coating desiccant, synthetic promoter of chemical fertilizers, reference material, glass, flux for light alloy, desiccant for printing ink, battery, manganese, zeolite, pigment used in kiln industry.
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