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463728

Sigma-Aldrich

Manganese

powder, ≥99.9% trace metals basis

Sinônimo(s):

Colloidal manganese, Manganese element, Manganese-55

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25 G
R$ 919,00
100 G
R$ 2.691,00

R$ 919,00

Previsão de entrega em27 de março de 2025

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25 G
R$ 919,00
100 G
R$ 2.691,00

About This Item

Fórmula empírica (Notação de Hill):
Mn
Número CAS:
7439-96-5
Peso molecular:
54.94
Número CE:
231-105-1
Número MDL:
MFCD00011111
Código UNSPSC:
12141724
ID de substância PubChem:
24870089
NACRES:
NA.23

R$ 919,00

Previsão de entrega em27 de março de 2025

Solicite uma grande encomenda

Nível de qualidade

100

Ensaio

≥99.9% trace metals basis

Formulário

powder

resistividade

185 μΩ-cm, 20°C

p.e.

1962 °C (lit.)

pf

1244 °C (lit.)

densidade

7.3 g/mL at 25 °C (lit.)

cadeia de caracteres SMILES

[Mn]

InChI

1S/Mn

chave InChI

PWHULOQIROXLJO-UHFFFAOYSA-N

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Descrição geral

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.

Aplicação

Manganese powder is a cost effective alloying element with a high hardenability.[1] It is majorly used in powder metallurgy applications such as:
  • a starting material for the preparation of manganese oxide for lithium ion batteries[2]
  • a material used in surface alloying[3]
  • sintering of steel to form manganese steel[1]

Características e benefícios

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

Pictogramas

Flame
GHS02

Palavra indicadora

Danger

Frases de perigo

H260

Declarações de precaução

P223 - P231 + P232 - P370 + P378 - P422

Classificações de perigo

Water-react 1

Código de classe de armazenamento

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

Classe de risco de água (WGK)

WGK 2

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

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

Escolha uma das versões mais recentes:

Certificados de análise (COA)

Lot/Batch Number
MKCW1835
MKCS8712
MKCM5613
MKCK6920
MKCF6109

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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)
Manganese in ferrous powder metallurgy
Salak A, et al.
Powder Metallurgy Progress, 1(1), 41-58 (2001)
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)
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
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