• Maghemite Powder Synonyms:
  
  

  maghemite, ferrimagnetic, synthetic maghemite, ferrimagnetic ferric oxide, oxymagnite, sosmanite, spinel ferrite, magnetic maghemite nanoparticles, iron oxide, magnetite, black iron oxide,  CAS# 1309-37-1,
   

• Maghemite Powder Formulas:
  
  

  a) (Fe2O3, ?-Fe2O3)

b) Maghemite Chemical Formula: Gamma-Fe+++2O3

c) Maghemite Empirical Formula: Fe³⁺₂O₃  

• Maghemite Powder Description:

a) Maghemite (Fe2O3, ?-Fe2O3) is a member of the family of iron oxides. It has the same structure as magnetite, that is, it is spinel ferrite and is also ferrimagnetic.

b) Maghemite can be considered as an Fe(II)-deficient magnetite with formula where represents a vacancy, A indicates tetrahedral positioning and B octahedral.

• Maghemite Powder Typical Chemical Properties Available:

In some cases, various grades are available between 98% and 99.9%

• Maghemite Powder Typical Physical Properties Available:

a) Various granule and powder granulations down to nanoparticles

b) Targets

c) Sintered pieces

• Maghemite Powder Physical Constants:

Molecular Weight (g/mol.)	159.69
Apparent Density (g/cm3)	4.9
System	Isometric
RTECS Number	NO7400000
Boiling Point (°C)
Magnetism	Strongly magnetic
Radioactivity:	Not radioactive
Mohs Hardness @20°C	6
Transparency	Opaque
Color	Brown, brick-red
Morphology:	Massive
Crystallography	Tetragonal

• Maghemite Powder Typical Applications:

It is a ferro magnetic oxide, has a spinel structure and is commonly used in magnetic tape. For example in the magnetic layer of audio tape, floppy disk, digital tape etc. The particles can be magnetised to represent data. MICR (Magnetic Ink Character Recognition) also uses iron(III, II) oxide compounds, suspended in an ink which can be read by special scanning hardware.

• Maghemite Powder Background Briefing:

Maghemite was named in 1927. It is blue with a grey shade, white, or brown.[1] It has isometric crystals.[2] Maghemite is formed by the topotactic oxidation of magnetite.

• Maghemite Powder Typical Packaging:

50 lbs. bags, poly-lined fiber drums, bulk bags or to customer specifications

• Maghemite Powder TSCA (SARA Title III) Status:

Varies. For further information please call the E.P.A. at +1.202-554-1404

• Maghemite Powder CAS Number:

 CAS#  1309-37-1