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Trimanganese tetraoxide CAS#1317-35-7

Trimanganese tetraoxide CAS#1317-35-7

Basic Information

Trimanganese tetraoxide

Trimanganese tetraoxide is a black tetragonal manganese oxide, with a stable hausmannite alpha phase and an unstable beta form. It is insoluble in water but dissolves in hydrochloric acid, providing controlled reactivity alongside crystalline and mechanical stability. The material is used in catalysis, electrochromic devices and energy-storage research. It is typically prepared by thermal treatment of manganese oxide and is selected where a transition-metal oxide with defined phase behavior is required.

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product description

Stable Crystalline Structure: The compound has a stable alpha tetragonal crystal phase (hausmannite), providing reliable structural stability.


Good Mechanical Hardness: With a Mohs hardness of 5.5, it offers solid mechanical strength and resistance to wear.


Water Insolubility: Its insolubility in water ensures chemical stability in aqueous environments.


Reactive in Acidic Conditions: It is soluble in hydrochloric acid, allowing controlled reactivity in chemical and industrial processes.


Product Description of ‌Trimanganese tetraoxide CAS#1317-35-7

Trimanganese tetraoxide is a black tetragonal crystal with two allotropic forms. Its stable alpha phase adopts the tetragonal hausmannite structure, while the beta phase is unstable. It has a Mohs hardness of around 5.5, is insoluble in water, and soluble in hydrochloric acid.


Product Application of Trimanganese tetraoxide CAS#1317-35-7

Manganese(II,III) oxide is a transition metal oxide, usually prepared by annealing manganese oxide in air at over 1000°C. It is widely used in catalysis, electrochromic devices and various energy storage fields.

Product Specifications

Parameter


Melting point1705°C
density4.8 g/mL at 25 °C(lit.)
vapor pressure0Pa at 25℃
solubilityinsoluble in H2O; soluble in HCl
formPowder
colorbrown
Specific Gravity4.856
Water Solubilityinsoluble H2O [KIR81]; soluble HCl, releasing Cl2 [MER06]
Merck135759
crystal systemsquare
Space groupI41/amd
Lattice constanta/nmb/nmc/nmα/oβ/oγ/oV/nm30.575770.575770.94289090900.3125
Stability:Stable.
Major Applicationbattery manufacturing
InChI1S/3Mn.4O
InChIKeyGVNFAUMGUISVJW-UHFFFAOYSA-N
SMILESO=[Mn]O[Mn]O[Mn]=O
CAS DataBase Reference1317-35-7(CAS DataBase Reference)
EPA Substance Registry SystemManganese tetraoxide (1317-35-7)
Hazard CodesXi
Risk Statements36/37/38
Safety Statements26-36
WGK Germany2
RTECSOP0895000
TSCATSCA listed
Storage Class11 - Combustible Solids
Hazard ClassificationsRepr. 2
Toxicitymouse,LC,inhalation,> 3608ug/m3/2H (3.608mg/m3),American Industrial Hygiene Association Journal. Vol. 41, Pg. 494, 1980.


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Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
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