Physical Properties Occurrence and Use Preparation Reactions
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Trimanganese tetraoxide

Physical Properties Occurrence and Use Preparation Reactions
Product Name
Trimanganese tetraoxide
CAS No.
1317-35-7
Chemical Name
Trimanganese tetraoxide
Synonyms
MANGANESE OXIDE;MANGANESE TETROXIDE;hydroxy(oxo)manganese;Manganese(II,IV) oxide;Mn70%min.;Hausmannite;Manganese(II,III);Trimangantetraoxid;MANGANESE TETRAOXIDE;Trimanganese tetraox
CBNumber
CB4398659
Molecular Formula
Mn3O4-2
Formula Weight
228.81
MOL File
1317-35-7.mol
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Trimanganese tetraoxide Property

Melting point:
1705°C
Density 
4.8 g/mL at 25 °C(lit.)
vapor pressure 
0Pa at 25℃
solubility 
insoluble in H2O; soluble in HCl
form 
Powder
color 
brown
Specific Gravity
4.856
Water Solubility 
insoluble H2O [KIR81]; soluble HCl, releasing Cl2 [MER06]
Merck 
13,5759
crystal system
square
Space group
I41/amd
Lattice constant
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.575770.575770.94289090900.3125
Stability:
Stable.
CAS DataBase Reference
1317-35-7(CAS DataBase Reference)
EPA Substance Registry System
Manganese tetraoxide (1317-35-7)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
WGK Germany 
2
RTECS 
OP0895000
Toxicity
mouse,LC,inhalation,> 3608ug/m3/2H (3.608mg/m3),American Industrial Hygiene Association Journal. Vol. 41, Pg. 494, 1980.
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H226Flammable liquid and vapour

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P242Use only non-sparking tools.

P243Take precautionary measures against static discharge.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

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

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

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

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

P370+P378In case of fire: Use … for extinction.

P403+P235Store in a well-ventilated place. Keep cool.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
377473
Product name
Manganese(II,III) oxide
Purity
97%
Packaging
100g
Price
$44.9
Updated
2024/03/01
Alfa Aesar
Product number
047319
Product name
Manganese(II,III) oxide
Purity
97%
Packaging
250g
Price
$66.65
Updated
2024/03/01
Alfa Aesar
Product number
047319
Product name
Manganese(II,III) oxide
Purity
97%
Packaging
1kg
Price
$214.65
Updated
2024/03/01
Strem Chemicals
Product number
93-2513
Product name
Manganese(II,III) oxide, 97%
Packaging
250g
Price
$101
Updated
2024/03/01
Strem Chemicals
Product number
93-2513
Product name
Manganese(II,III) oxide, 97%
Packaging
1kg
Price
$305
Updated
2024/03/01
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Trimanganese tetraoxide Chemical Properties,Usage,Production

Physical Properties

Black tetragonal crystal; exhibits two allotropic modifications—a stable alpha phase, occurring in tetragonal crystalline form (as hausmannite) and an unstable beta modification; Moh’s hardness 5.5; insoluble in water; soluble in hydrochloric acid.

Occurrence and Use

Manganese(II,III) oxide occurs in nature as the mineral hausmannite [1309-55-3]. It is used to make ferrites and thermistors. The oxide also is used in the thermite process for producing manganese.

Preparation

Manganese(II,III) oxide is made by heating manganese(IV) oxide, MnO2, or manganese(III) oxide, Mn2O3, above 950°C. When Mn2O3 is heated in air, the temperature should be above 940°C, but if heated in oxygen, the temperature should be above 1,090°C. Also, heating manganese(III) oxide at 230°C in hydrogen yields Mn3O4. However, further heating above 300°C converts Mn3O4 formed to green manganese(II) oxide, MnO.
Manganese(II,III) oxide also is obtained by heating the dioxide, MnO2, with carbon at 600 to 700°C.

Reactions

Manganese(II,III) oxide reacts with dilute acids forming the corresponding manganous salt and manganese(IV) oxide, MnO2:
Mn3O4 + 2H2SO4 → 2MnSO4 + MnO2 + 2H2O
The oxide, however, dissolves slowly in cold sulfuric acid forming a red solution that also contains manganic sulfate, Mn2(SO4)3:
Mn3O4 + 4H2SO4 → MnSO4 + Mn2(SO4)3 + 4H2O
Reaction with acetic acid yields manganese(II) acetate and manganese(III) oxide:
Mn3O4 + 2CH3COOH → Mn(CH3COO)2 + Mn2O3 + H2O
Manganese(II,III) oxide is reduced to manganese metal when heated with powdered aluminum (the Thermite process). The reaction is vigorous and exothermic:
3Mn3O4 + 8Al → 4Al2O3 + 9Mn

Chemical Properties

Grass-green powder. but converted to Mn 3O4 if heated in air. Soluble in acids; insoluble in water. Noncombustible.

Uses

Textile printing, analytical chemistry, catalyst in manufacture of allyl alcohol, ceramics, paints, colored glass, bleaching tallow, animal feeds, fertilizers, food additive and dietary supplement.

General Description

Manganese(II,III) oxide is a transition metal oxide that is formed by annealing manganese oxide in the air above 1000°C. It can be used for a variety of applications such as catalysis, electrochromic devices, and other energy storage applications.

Reactivity Profile

Trimanganese tetraoxide is non-combustible but decomposes, generating toxic fumes when strongly heated strongly in the air. A good oxidizing agent. Reacts with hydrochloric acid to form gaseous chlorine and soluble manganese salts.

Hazard

Chronic manganese poisoning and pulmonary effects.

Health Hazard

Manganese tetroxide affects the central nervous system, and toxicity occurs mostly in chronic form (manganism).

Flammability and Explosibility

Non flammable

Safety Profile

Experimental reproductive effects. Reacts violently @ <l00℃. See also MANGANESE COMPOUNDS.

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Trimanganese tetraoxide Suppliers

Shanghai Buwei Applied Materials Technology Co. LTD
Tel
021-64112762 18930491979
Fax
021-64112762
Email
1460837389@qq.com
Country
China
ProdList
474
Advantage
58
Wuhan kamik Technology Co., Ltd
Tel
18062587608
Email
201981259@qq.com
Country
China
ProdList
7665
Advantage
58
Hunan Yongshuo New Material Technology Co., Ltd
Tel
0375-0375218-0375 19207499233
Email
3574468540@qq.com
Country
China
ProdList
147
Advantage
58
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Beijing HwrkChemical Technology Co., Ltd
Tel
010-89508211 18501085097
Fax
010-89508210
Email
sales.bj@hwrkchemical.com
Country
China
ProdList
8415
Advantage
55
JinYan Chemicals(ShangHai) Co.,Ltd.
Tel
13817811078
Fax
86-021-50426522,50426273
Email
sales@jingyan-chemical.com
Country
China
ProdList
9976
Advantage
60
Shandong Xiya Chemical Co., Ltd
Tel
4009903999 13355009207
Fax
0539-6365991
Email
3007715519@qq.com
Country
China
ProdList
18738
Advantage
57
Sichuan Kulinan Technology Co., Ltd
Tel
400-1166-196 18981987031
Fax
028-84555506 800101999
Email
cdhxsj@163.com
Country
China
ProdList
11707
Advantage
57
Sinopharm Chemical Reagent Co,Ltd.
Tel
86-21-63210123
Fax
86-21-63290778 86-21-63218885
Email
sj_scrc@sinopharm.com
Country
China
ProdList
9815
Advantage
79
Chengdu Ai Keda Chemical Technology Co., Ltd.
Tel
4008-755-333 18080918076
Fax
028-86757656
Email
800078821@qq.com
Country
China
ProdList
9718
Advantage
55
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View Lastest Price from Trimanganese tetraoxide manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
Trimanganese tetraoxide 1317-35-7
Price
US $60.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
5000kg/week
Release date
2024-05-23
Hebei Dangtong Import and export Co LTD
Product
Trimanganese tetraoxide 1317-35-7
Price
US $72.00-65.00/kg
Min. Order
1kg
Purity
99.99%
Supply Ability
100Tons
Release date
2023-03-17
Shaanxi Dideu Medichem Co. Ltd
Product
Trimanganese tetraoxide 1317-35-7
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99.0%
Supply Ability
10000KG
Release date
2024-09-04

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