MANGANESE (III) OXIDE

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MANGANESE (III) OXIDE

Product Name: MANGANESE (III) OXIDE
CAS No.: 1317-34-6
Chemical Name: MANGANESE (III) OXIDE
Synonyms: manganicoxide;manganesetrioxide;manganese(3+)oxide;manganesemanganate;dimanganesetrioxide;manganesesisquioxide;MANGANESE SESQUIOXIDE;MANGANESE (III) OXIDE;manganeseoxide(mn2o3);Manganese(III)oxide,99%
CBNumber: CB3275540
Molecular Formula: Mn2O3
Formula Weight: 157.87
MOL File: 1317-34-6.mol

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MANGANESE (III) OXIDE Property

Melting point:: 1080°C (dec.)
Density: 4.5 g/mL at 25 °C(lit.)
solubility: insoluble in H2O
form: Powder
color: Black
Specific Gravity: 4.5
Water Solubility: Soluble in acid and ammonium chloride. Insoluble in water, alcohol and acetone.
Merck: 14,5737
Exposure limits: ACGIH: TWA 0.02 mg/m3; TWA 0.1 mg/m3
OSHA: Ceiling 5 mg/m3
NIOSH: IDLH 500 mg/m3; TWA 1 mg/m3; STEL 3 mg/m3
InChIKey: GEYXPJBPASPPLI-UHFFFAOYSA-N
CAS DataBase Reference: 1317-34-6(CAS DataBase Reference)
EPA Substance Registry System: Manganese(III) oxide (1317-34-6)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36
WGK Germany: 3
RTECS: OP0915000
TSCA: Yes
Toxicity: mouse,LD50,subcutaneous,616mg/kg (616mg/kg),Zhurnal Vsesoyuznogo Khimicheskogo Obshchestva im. D.I. Mendeleeva. Journal of the D.I. Mendeleeva All-Union Chemical Society. Vol. 19, Pg. 186, 1974.

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 377457
Product name: Manganese(III) oxide
Purity: 325 mesh, 99%
Packaging: 250g
Price: $152
Updated: 2024/03/01

Sigma-Aldrich

Product number: 377457
Product name: Manganese(III) oxide
Purity: 325 mesh, 99%
Packaging: 1kg
Price: $472
Updated: 2024/03/01

Alfa Aesar

Product number: 087791
Product name: Manganese(III) oxide, 98%
Packaging: 500g
Price: $174
Updated: 2024/03/01

Alfa Aesar

Product number: 087791
Product name: Manganese(III) oxide, 98%
Packaging: 2kg
Price: $658
Updated: 2024/03/01

Strem Chemicals

Product number: 93-2522
Product name: Manganese(III) oxide, 99%
Packaging: 250g
Price: $92
Updated: 2024/03/01

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MANGANESE (III) OXIDE Chemical Properties,Usage,Production

Chemical Properties

manganese(III) oxide is a black, lustrous powder, sometimes tinged brown. Very hard.decomposes at 1080℃. Soluble in cold hydrochloric acid; not soluble in nitric acid (decomposes), hot sulfuric acid; insoluble in water. Noncombustible.

manganese(III) oxide is obtained by igniting manganese(IV) oxide or a manganese(II) salt in air at 800°C. It reacts slowly with cold dilute acids to form manganese(III) salts. Manganese(III) oxide occurs in nature as braunite (3Mn2O3.MnSiO3 ) and the monohydrate (Mn2O 3.H2O) occurs in the mineral manganite. The manganese(III) oxide crystal lattice contains Mn3+ and O2– ions. With concentrated alkalis, it undergoes disproportionation to give manganese(II) and manganese(IV) ions.

Uses

Manganese(III) oxide is used to produce ceramic magnets and semiconductors. Further, it serves as a precursor to lithium manganese oxide. In addition to this, it acts as a useful battery cathode.

Definition

In nature as manganite, a manganese ore.

Preparation

Anhydrous manganese(III) oxide is found as the mineral braunite, Mn2O3, while a hydrated form, Mn2O3.H2O, which is chemically more reactive, occurs as manganite. Manganese forms both anions and cations in oxidation state +3. Simple salts of tervalent manganese are not stable. However, complexes are more stable, the hexacyanomanganates(III) being an example: K3Mn(CN)6 is a red crystalline solid, isomorphous with potassium hexacyanoferrate(III) and slowly hydrolysed.
Manganese(III) oxide is formed as a grey solid by heating manganese(IV) oxide to 700°C for several hours:
4MnO2 ---> 2Mn203 + O2
It is converted into trimanganese tetroxide when heated above 940°C in air or reduced by hydrogen above 230°C. Hot concentrated hydrochloric acid is oxidized to chlorine by manganese(III) oxide:
Mn203 (s) + 6H + + 2e- ==2Mn2+ + 3H2O
Mn203 (s) + 6H + + 2Cl- ---> 2Mn2+ + 3H2O + Cl2

Hazard

Flammable in finely divided form. Toxic by inhalation of dust.

Flammability and Explosibility

Not classified

Safety Profile

Moderately toxic by subcutaneous and intratracheal routes. See also MANGANESE COMPOUNDS.

MANGANESE (III) OXIDE Preparation Products And Raw materials

Raw materials

Preparation Products

Manganese dioxide Trimanganese tetraoxide

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View Lastest Price from MANGANESE (III) OXIDE manufacturers

Hebei Duling International Trade Co. LTD

Product: Manganese(III) oxide 1317-34-6
Price: US $50.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 50 tons
Release date: 2023-04-10

Shanghai CRM New Material Technology Co., LTD

Product: Manganese(III) oxide 1317-34-6
Price: US $10.00-15.00/g
Min. Order: 10g
Purity: 99%
Supply Ability: 2546245
Release date: 2022-11-07

Shaanxi Dideu Medichem Co. Ltd

Product: Manganese(III) oxide 1317-34-6
Price: US $0.01-1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 50 tons
Release date: 2020-05-27

1317-34-6, MANGANESE (III) OXIDERelated Search:

Rhodium oxide Praseodymium oxide Iron oxide Molybdenum(IV) oxide NICKEL(II) HYDROXIDE Nickel(II) oxide BISMUTH OXYCHLORIDE INDIUM TIN OXIDE Boron oxide Manganese sulfate Trimanganese tetraoxide COBALT(III) OXIDE BLACK Bismuth trioxide Yttrium oxide Diantimony trioxide Phosphorus trioxide MANGANESE (II) OXIDE Europium Oxide Manganese Oxide Nanoparticles

MANGANESE (III) OXIDE, 99.9%

Manganese(III)oxide,99%

Manganese(III) oxide, 99.999% metals basis

MANGANESE(III) OXIDE, -325 MESH, 99%

MANGANESE (III) OXIDE, MN>70+% 300 MESH (POWDER 99%)

keto(ketomanganiooxy)manganese

oxo(oxomanganiooxy)manganese

Manganese(III) oxide 99.99% trace Metals basis

Manganese(III) oxide 99.9% trace metals basis

MANGANESE (III) OXIDE

MANGANESE SESQUIOXIDE

dimanganesetrioxide

manganese(3+)oxide

manganesemanganate

manganeseoxide(mn2o3)

manganesesisquioxide

manganesetrioxide

manganicoxide

MANGANESE (III) OXIDE ISO 9001：2015 REACH

Manganese Oxide Nanoparticles / Nanopowder

Dimanganese trioxide,0.98

Manganese (III) Oxide Nanopowder

Manganese Oxide Nanoparticles

Manganese Oxide Nanopowder

Manganese Oxide Nanoparticle Dispersion

1317-34-6

Inorganics

metal oxide