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266132

Sigma-Aldrich

Mangan

powder, −325 mesh, ≥99% trace metals basis

Synonym(e):

Manganese element, Manganese-55

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About This Item

Empirische Formel (Hill-System):
Mn
CAS-Nummer:
Molekulargewicht:
54.94
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12141724
PubChem Substanz-ID:
NACRES:
NA.23

Qualitätsniveau

Assay

≥99% trace metals basis

Form

powder

Widerstandsfähigkeit

185 μΩ-cm, 20°C

Partikelgröße

−325 mesh

bp

1962 °C (lit.)

mp (Schmelzpunkt)

1244 °C (lit.)

Dichte

7.3 g/mL at 25 °C (lit.)

SMILES String

[Mn]

InChI

1S/Mn

InChIKey

PWHULOQIROXLJO-UHFFFAOYSA-N

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Piktogramme

FlameEnvironment

Signalwort

Danger

H-Sätze

Gefahreneinstufungen

Aquatic Chronic 2 - Water-react 1

Lagerklassenschlüssel

4.3 - Hazardous materials which set free flammable gases upon contact with water

WGK

WGK 2

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


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D Mergler et al.
Neurotoxicology, 20(2-3), 327-342 (1999-07-01)
Excessive manganese (Mn) has been associated with neurobehavioral deficits and neurological and/or neuropsychiatric illness, but the level at which this metal can cause adverse neurotoxic effects, particularly with long-term exposure, is still unknown. The objective of the present study was
Alan Woolf et al.
Environmental health perspectives, 110(6), 613-616 (2002-06-11)
The patient's family bought a home in a suburb, but the proximity of the house to wetlands and its distance from the town water main prohibited connecting the house to town water. The family had a well drilled and they
M Baldwin et al.
Neurotoxicology, 20(2-3), 343-353 (1999-07-01)
Exposure data and bioindicators were obtained for a study whose objective was detection of early manifestations of manganese (Mn) neurotoxicity in a population with potential environmental exposure. The study included persons with no history of neurotoxic workplace exposure in Southwest
D G Barceloux
Journal of toxicology. Clinical toxicology, 37(2), 293-307 (1999-06-26)
Manganese is a very hard, brittle metal, which is used to increase the strength of steel alloys. Absorption from the gastrointestinal tract occurs in the divalent and tetravalent forms. Permanganates, which are strong oxidizing agents, have a +7 valence. The
Rachel J Service et al.
Biochemistry, 52(47), 8452-8464 (2013-10-31)
In the 1.9 Å structural model of photosystem II (PDB: 3ARC), the amino acid residue Glu333 of the D1 polypeptide coordinates to the oxygen-evolving Mn₄CaO₅ cluster. This residue appears to be highly significant in that it bridges the two Mn

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