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463728

Sigma-Aldrich

Manganese

powder, ≥99.9% trace metals basis

Synonym(s):

Colloidal manganese, 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:
24870089
NACRES:
NA.23

assay

≥99.9% trace metals basis

form

powder

resistivity

185 μΩ-cm, 20°C

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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General description

Manganese powder is a free-flowing, brown to black powder with a high melting point (1244 °C) and exceptional resistance to corrosion and abrasion. Our high-purity manganese powder (≥99.9%) is a reliable and valuable material for various industrial and academic applications. The ability of manganese to exist in multiple oxidation states allows it to act as a redox mediator, facilitating electron transfer between reactants and products. This makes it an effective catalyst in a wide range of chemical reactions, including the oxidation of alcohols and the removal of pollutants from industrial emissions.

Application

Manganese powder is a cost effective alloying element with a high hardenability. It is majorly used in powder metallurgy applications such as:
  • a starting material for the preparation of manganese oxide for lithium ion batteries
  • a material used in surface alloying
  • sintering of steel to form manganese steel

Features and Benefits

Our 99.9% pure manganese powder is useful in powder metallurgical and chemical industries where purity matters most.
✔ Consistent quality
✔ High purity
✔ Available to scale up: bulk and pilot scale

pictograms

Flame
GHS02

signalword

Danger

hcodes

H260

Hazard Classifications

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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Investigating surface properties of OHNS die steel after electrical discharge machining with manganese powder mixed in the dielectric
Kumar S and Singh R
The International Journal of Advanced Manufacturing Technology, 50(5-8), 625-633 (2010)
Novel synthesis of LiMn2O4 with large tap density by oxidation of manganese powder
Guo H, et al.
Energy Conversion and Management , 52(4), 2009-2014 (2011)
Manganese in ferrous powder metallurgy
Salak A, et al.
Powder Metallurgy Progress, 1(1), 41-58 (2001)
Duncan den Boer et al.
Nature chemistry, 5(7), 621-627 (2013-06-22)
Manganese porphyrins have been extensively investigated as model systems for the natural enzyme cytochrome P450 and as synthetic oxidation catalysts. Here, we report single-molecule studies of the multistep reaction of manganese porphyrins with molecular oxygen at a solid/liquid interface, using
Keisuke Saito et al.
Biochimica et biophysica acta, 1837(1), 159-166 (2013-10-08)
In the crystal structure of Photosystem II (PSII) analyzed at a resolution of 1.9Å, most of the bond lengths between Mn and O atoms in the oxygen-evolving Mn4Ca cluster are 1.8-2.1Å. On the other hand, the Mn1O5 bond in the
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