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Merck
CN

221279

Manganese(II) chloride tetrahydrate

ACS reagent, ≥98%

Synonym(s):

Manganous chloride tetrahydrate

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About This Item

Linear Formula:
MnCl2 · 4H2O
CAS Number:
Molecular Weight:
197.91
NACRES:
NB.24
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-869-6
MDL number:
Assay:
≥98%, 98.0-101.0% (ACS specification)
Grade:
ACS reagent
Form:
crystals
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grade

ACS reagent

Quality Segment

assay

≥98%, 98.0-101.0% (ACS specification)

form

crystals

impurities

≤0.005% insolubles

pH

3.5-6.0 (25 °C, 5%)

mp

58 °C (lit.)

anion traces

sulfate (SO42-): ≤0.005%

cation traces

Ca: ≤0.005%, Fe: ≤5 ppm, K: ≤0.01%, Mg: ≤0.005%, Na: ≤0.05%, Zn: ≤0.005%, heavy metals: ≤5 ppm (by ICP)

SMILES string

Cl[Mn]Cl.[H]O[H].[H]O[H].[H]O[H].[H]O[H]

InChI

1S/2ClH.Mn.4H2O/h2*1H;;4*1H2/q;;+2;;;;/p-2

InChI key

CNFDGXZLMLFIJV-UHFFFAOYSA-L

Application

Manganese(II) chloride tetrahydrate may be used to accelerate the synthesis of dihydropyrimidin-2(1H)-ones by the condensation of aldehyde, β-dicarbonyl compounds and urea under microwave conditions. It may also be used in the synthesis of manganese(II) tris(2-benzimidazolylmethyl)amine (ntb) complexes.


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Danger

Hazard Classifications

Acute Tox. 3 Oral - Eye Dam. 1 - STOT RE 2

target_organs

Brain

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk

WGK 2

flash_point_f

does not flash

flash_point_c

does not flash



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