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221279

Sigma-Aldrich

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:
13446-34-9
Molecular Weight:
197.91
EC Number:
231-869-6
MDL number:
MFCD00149792
UNSPSC Code:
12352302
PubChem Substance ID:
329752254
NACRES:
NB.24

grade

ACS reagent

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

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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.

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_germany

WGK 2

flash_point_f

does not flash

flash_point_c

does not flash

Certificates of Analysis (COA)

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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, 44B, 762-767 (2005)
Vahid Safarifard et al.
Ultrasonics sonochemistry, 21(1), 253-261 (2013-06-22)
Nanoparticles of a new three-dimensional Mn(II) coordination supramolecular compound, [Mn(L)2(H2O)2] (1), (L(-)=1H-1,2,4-triazole-3-carboxylate), have been synthesized by a sonochemical process and characterized by scanning electron microscopy (SEM), X-ray powder diffraction (XRPD), FT-IR spectroscopy and elemental analyses. Structural determination of compound 1
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.
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
Adam B Robertson et al.
Nature protocols, 7(2), 340-350 (2012-01-28)
We describe a method for the efficient and selective identification of DNA containing the 5-hydroxymethylcytosine (5-hmC) modification. This protocol takes advantage of two proteins: T4 β-glucosyltransferase (β-gt), which converts 5-hmC to β-glucosyl-5-hmC (β-glu-5-hmC), and J-binding protein 1 (JBP1), which specifically
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