MANGANESE (II) OXIDE
Physical Properties Occurrence and Uses Production Reactions- Product Name
- MANGANESE (II) OXIDE
- CAS No.
- 1344-43-0
- Chemical Name
- MANGANESE (II) OXIDE
- Synonyms
- ci77726;c.i.77726;manganous;nu-manese;casselgreen;manganosite;rosensthiel;oxomanganese;ketomanganese;manganesegreen
- CBNumber
- CB5159345
- Molecular Formula
- MnO
- Formula Weight
- 70.94
- MOL File
- 1344-43-0.mol
MANGANESE (II) OXIDE Property
- Melting point:
- 1650°C
- Density
- 5.45 g/mL at 25 °C(lit.)
- refractive index
- 2.16
- solubility
- insoluble in H2O; soluble in acid solutions
- form
- Powder/Chunks
- Specific Gravity
- 5.43～5.46
- color
- Green
- Water Solubility
- Soluble in hydrochloric acid. Insoluble in water.
- 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 - CAS DataBase Reference
- 1344-43-0(CAS DataBase Reference)
- EPA Substance Registry System
- Manganese oxide (MnO) (1344-43-0)
Safety
- Hazard Codes
- Xn
- Risk Statements
- 21-36/37/38
- Safety Statements
- 26-36
- WGK Germany
- 3
- RTECS
- OP0900000
- TSCA
- Yes
- Hazardous Substances Data
- 1344-43-0(Hazardous Substances Data)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405Store locked up.
N-Bromosuccinimide Price
- Product number
- 377201
- Product name
- Manganese(II) oxide
- Purity
- powder, 60 mesh, 99%
- Packaging
- 500g
- Price
- $65
- Updated
- 2024/03/01
- Product number
- 011870
- Product name
- Manganese(II) oxide, Mn 76.0-78.0%, typically 99%
- Packaging
- 2kg
- Price
- $130
- Updated
- 2024/03/01
- Product number
- 011870
- Product name
- Manganese(II) oxide, Mn 76.0-78.0%, typically 99%
- Packaging
- *5x2kg
- Price
- $445
- Updated
- 2023/06/20
- Product number
- 93-2515
- Product name
- Manganese(II) oxide, 99%
- Packaging
- 500g
- Price
- $54
- Updated
- 2024/03/01
- Product number
- 93-2515
- Product name
- Manganese(II) oxide, 99%
- Packaging
- 2kg
- Price
- $163
- Updated
- 2024/03/01
MANGANESE (II) OXIDE Chemical Properties,Usage,Production
Physical Properties
Green cubic crystal; refractive index 2.16; density 5.37 g/cm3 at 23°C; Moh’s hardness 5.5; melts at 1945°C; insoluble in water.
Occurrence and Uses
Manganese(II) oxide is used in the fertilizer industry as a source of manganese in fertilizers; in feedstuff formulations; and as an intermediate in the production of several manganese compounds.
Production
Manganese(II) oxide is obtained commercially from manganese(IV) oxide (manganese dioxide) by the reduction with hydrogen, carbon monoxide or methane at elevated temperatures (>800°C):
MnO2 + CO → MnO + CO2
MnO2 + H2 → MnO + H2O
The oxide also can be made by thermal decomposition of manganese(II) carbonate or manganese(II) oxalate in the absence of air:
MnCO3 → MnO + CO2
Also, careful dehydration of manganese(II) hydroxide, Mn(OH)2, under controlled conditions in the absence of air yields MnO.
Reactions
Manganese(II) oxide is the lowest oxide of manganese and it is purely a basic oxide. It reacts with acids to form their manganese(II) salts:
MnO + H2SO4 → MnSO4 + H2O
MnO + 2HCl → MnCl2 + H2O
The compound also is oxidized by air or oxygen to higher oxides of manganese. When heated cautiously in air, the product is manganese sesquioxide or manganese(III) oxide:
4MnO + O2 → 2Mn2O3
Chemical Properties
grass green powder(s); cub; enthalpy of fusion 54.40kJ/mol; produced from MnO2 ores by roasting in a reducing atmospheric, e.g., methane; used in textile printing, in ceramics, in paints [HAW93] [CRC10]
Uses
Manganous monoxide (MnO) is used for textile printing, ceramics, paints, colored (green) glass, bleaching, and fertilizers. It is also used as dietary supplement and reagent in analytical chemistry.
Uses
The main use of manganese dioxide is in dry-cell batteries, such as the alkaline battery and the zinc-carbon battery. It is useful as a pigment, and as a precursor to other manganese compounds. It is used as a reagent in organic synthesis, for instance, for the oxidation of allylic alcohols and arylmethyl alcohols. It is also employed in various industrial purposes such as adhesives and sealant chemicals, lubricants and lubricant additives, fertilizers, oxidizing/reducing agents, plating agents and surface treating agents, processing aids, air care products, paints and coatings.
Flammability and Explosibility
Not classified
Safety Profile
Moderately toxic by intratracheal and subcutaneous routes. Violent reaction with hydrogen peroxide, Ca(OCl)2, F2, H202. See also MANGANESE COMPOUNDS.
MANGANESE (II) OXIDE Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from MANGANESE (II) OXIDE manufacturers
- Product
- MANGANESE (II) OXIDE 1344-43-0
- Price
- US $50.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 30 tons
- Release date
- 2024-03-11
- Product
- MANGANESE (II) OXIDE 1344-43-0
- Price
- US $15.00-10.00/KG
- Min. Order
- 1KG
- Purity
- 99%+ HPLC
- Supply Ability
- Monthly supply of 1 ton
- Release date
- 2021-06-27
- Product
- MANGANESE (II) OXIDE 1344-43-0
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 100kg
- Release date
- 2019-07-09