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Merck

544884

Iron(III) oxide

nanopowder, <50 nm particle size

Synonym(s):

Ferric oxide

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About This Item

Linear Formula:
Fe2O3
CAS Number:
Molecular Weight:
159.69
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
215-168-2
MDL number:
Technical Service
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description

crystalline (primarily γ)

Quality Segment

form

nanopowder

reaction suitability

core: iron

surface area

50-245 m2/g

particle size

<50 nm

application(s)

battery manufacturing

SMILES string

O=[Fe]O[Fe]=O

InChI

1S/2Fe.3O

InChI key

JEIPFZHSYJVQDO-UHFFFAOYSA-N

General description

Iron(III) oxide nanopowder is a fine powder with a particle size of less than 50 nm. It is a red or black solid compound made up of iron and oxygen. It is also known as hematite or ferric oxide. It is a naturally occurring mineral that can also be synthesized in the laboratory. Iron(III) oxide has a number of useful physical properties. It has a high refractive index and is opaque, making it useful as a pigment in paints in inks. Iron(III) oxide is also catalytically active and weakly ferromagnetic at room temperature.

Application

Iron(III) oxide nanopowder has a number of uses due to its magnetic and catalytic properties. It is used in the production of magnetic recording media such as magnetic tapes and disks. It is also used as a catalyst in the production of chemicals, including the production of gasoline and plastics and in environmental remediation.

Features and Benefits

  • High theoretical specific capacity
  • Biocompatibility
  • Ease of coating and modification
  • Non-toxicity


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Storage Class

13 - Non Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



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