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Merck
CN

31422

Manganese(II) chloride tetrahydrate

puriss. p.a., ACS reagent, ≥99%

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About This Item

Linear Formula:
MnCl2 · 4H2O
CAS Number:
13446-34-9
Molecular Weight:
197.91
UNSPSC Code:
12352302
PubChem Substance ID:
329753763
EC Number:
231-869-6
MDL number:
MFCD00149792
Assay:
≥99%

Key Documents

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InChI key

CNFDGXZLMLFIJV-UHFFFAOYSA-L

InChI

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

SMILES string

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

grade

ACS reagent, puriss. p.a.

assay

≥99%

technique(s)

gel permeation chromatography (GPC): suitable

impurities

≤0.0005% KMnO4 red. matter (as O)

pH

4-6 (20 °C, 5%)

mp

58 °C (lit.)

anion traces

sulfate (SO42-): ≤50 mg/kg

cation traces

Ca: ≤10 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤10 mg/kg, Mg: ≤50 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤10 mg/kg

Quality Level

100

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General description

Manganese(II) chloride tetrahydrate is a manganese salt. Its toxicity has been evaluated in Swiss mice.

Application

Manganese(II) chloride tetrahydrate may be used in the synthesis of manganese(II) tris(2-benzimidazolylmethyl)amine (ntb) complexes and active manganese dioxide. It may be used as a catalyst for microwave assisted synthesis of substituted 3,4-dihydropyrimidin-2(1H)-ones.

signalword

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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Cobalt (II) chloride or manganese (II) chloride or tin (II) chloride promoted one pot synthesis of dihydropyrimidin-2(1H)-ones using microwave irradiation.
Kumar S, et al.
Indian Journal of Chemistry, 44, 762-767 (2005)
Myoung Soo Lah et al.
Inorganic chemistry, 36(9), 1782-1785 (1997-04-23)
A series of manganese(II) tris(2-benzimidazolylmethyl)amine (ntb) complexes were synthesized and characterized. In these complexes, ntb functions as a tripodal tetradentate ligand, resulting in trigonal pyramidal geometry. The complexes have five- to seven-coordinate manganese(II) ions depending on the additional ligand used.
Active manganese dioxide on silica: Oxidation of alcohols under solvent-free conditions using microwaves.
Varma RS, et al.
Tetrahedron Letters, 38(45), 7823-7824 (1997)
D J Sánchez et al.
Toxicology letters, 69(1), 45-52 (1993-07-01)
Manganese (II) chloride tetrahydrate was investigated in Swiss mice for maternal and developmental toxicity after subcutaneous (s.c.) exposure to doses of 0, 2, 4, 8 and 16 mg/kg per day from gestation day 6 through 15. Females were sacrificed on
Lisha Luo et al.
NMR in biomedicine, 25(12), 1360-1368 (2012-05-11)
The aim of this study was to provide data on the dose dependence of manganese-enhanced MRI (MEMRI) in the visual pathway of experimental rats and to study the toxicity of MnCl₂ to the retina. Sprague-Dawley rats were intravitreally injected with
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