Trimanganese tetraoxide CAS 1317-35-7

Product Name: Trimanganese Tetraoxide
English Alias: Manganese(II,III) oxide; Manganomanganic oxide
CAS Number: 1317-35-7
Molecular Formula: Mn₃O₄
Molecular Weight: 228.81 g/mol
Appearance: Brownish-black powder
Package: 25 kg/bag (paper-plastic composite bag with inner PE liner)

What is Trimanganese Tetraoxide？

Trimanganese Tetraoxide is a mixed-valence manganese oxide appearing as a brownish-black powder. It is insoluble in water and organic solvents, but soluble in hydrochloric acid. The compound occurs naturally as the mineral hausmannite and is widely used in electronic materials, catalysis, and as a precursor for other manganese compounds. It exhibits ferrimagnetic properties and good thermal stability.

COA (Certificate of Analysis):

Item	Unit	Index	Result
D10	μm	≥4	5
D50		8.5±0.5	8.55
D90		≤18	15
Vibrational density	g/ml	≥2.2	2.4
Mn	%	≥69	69.5
SO42-	%	≤1.2	0.8
K	ppm	≤50	20
Na		≤100	30
Ca		≤1200	1000
Mg		≤300	200
Fe		≤100	35
Cu		≤10	2
Zn		≤40	20
Pb		≤50	20
Si		≤400	250
H2O	%	≤0.5	0.3
Magnetic matter	ppb	≤300	120

Application:

Electronics: Raw material for soft magnetic materials and electronic ceramics

Catalysis: Catalyst and catalyst support in chemical processes

Battery Materials: Precursor for lithium manganese oxide cathode materials

Glass Industry: Colorant and decolorizing agent in glass production

Ceramic Pigments: Coloring agent in ceramic glazes and enamels

Chemical Synthesis: Intermediate for other manganese compounds

Safety Profile:

Trimanganese Tetraoxide may cause respiratory irritation. Inhalation of dust may be harmful. Use appropriate personal protective equipment including dust mask, safety glasses, and gloves when handling. Avoid breathing dust. The substance may be harmful to aquatic life. For detailed safety information, always consult the full Safety Data Sheet (SDS).

Storage Requirements:

Store in a cool, dry, well-ventilated area away from direct sunlight. Keep containers tightly closed and sealed. Maintain storage temperature below 30°C. Relative humidity below 65% recommended. Store away from strong acids and reducing agents.

Transport & Packaging:

Trimanganese Tetraoxide is packaged in paper-plastic composite bags with inner polyethylene liner (25 kg net weight per bag). Transport as non-hazardous material under normal conditions. Ensure containers are properly sealed and protected from moisture during transportation. Store away from incompatible materials.