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Sigma-Aldrich

Manganese

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

Synonym(s):

Manganese element, Manganese-55

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About This Item

Empirical Formula (Hill Notation):
Mn
CAS Number:
7439-96-5
Molecular Weight:
54.94
EC Number:
231-105-1
MDL number:
MFCD00011111
UNSPSC Code:
12141724
PubChem Substance ID:
24856125
NACRES:
NA.23

assay

≥99% trace metals basis

form

powder

resistivity

185 μΩ-cm, 20°C

particle size

−325 mesh

bp

1962 °C (lit.)

mp

1244 °C (lit.)

density

7.3 g/mL at 25 °C (lit.)

SMILES string

[Mn]

InChI

1S/Mn

InChI key

PWHULOQIROXLJO-UHFFFAOYSA-N

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pictograms

FlameEnvironment
GHS02,GHS09

signalword

Danger

hcodes

H260,H411

Hazard Classifications

Aquatic Chronic 2 - Water-react 1

Storage Class

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

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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
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
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
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
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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