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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Identification

Chemical structure
Display Name:
Iron manganese trioxide
EC Number:
235-049-9
EC Name:
Iron manganese trioxide
CAS Number:
12062-81-6
Molecular formula:
FeMnO3
IUPAC Name:
λ²-iron(2+) oxomanganesebis(olate)

Type of Substance

Composition:
mono-constituent substance
Origin:
inorganic

Substance Identifiers open all close all

  • 1115-91-6
  • 12789-36-5
  • C.I. 77536
  • C.I. Pigment Brown 43
  • Bayferrox 645 T
  • CATHAYCOAT HEAT RESISTANT BROWN F8645T
  • Bixbyite
    (minerals of identical or similar composition)

    Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    Iron manganese trioxide
    EC Number:
    235-049-9
    EC Name:
    Iron manganese trioxide
    CAS Number:
    12062-81-6
    Molecular formula:
    FeMnO3
    IUPAC Name:
    λ²-iron(2+) oxomanganesebis(olate)

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    BC_Nano_FeMnO3

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    yes

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 20 - <= 40 nm
    Percentile:
    D50
    Range:
    >= 60 - <= 100 nm
    Percentile:
    D90
    Range:
    >= 140 - <= 220 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 80 %

    Crystallinity

    Structuresopen allclose all
    Structure:
    crystalline
    Name:
    Iron manganese oxide
    Pure structure:
    no
    Range:
    ca. 0 - ca. 30 %
    Structure:
    crystalline
    Name:
    Jacobsite
    Pure structure:
    no
    Range:
    ca. 0 - ca. 30 %
    Structure:
    crystalline
    Name:
    Hematite
    Pure structure:
    no
    Typical composition:
    ca.
    Range:
    ca. 0 - ca. 50 %

    Specific surface area

    Range of specific surface area:
    >= 5 - <= 15 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no

    Legal Entity Composition(s) open all close all

    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    Iron manganese trioxide
    EC Number:
    235-049-9
    EC Name:
    Iron manganese trioxide
    CAS Number:
    12062-81-6
    Molecular formula:
    FeMnO3
    IUPAC Name:
    λ²-iron(2+) oxomanganesebis(olate)

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    LE_Nano_FeMnO3

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    yes

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D90
    Typical value:
    ca. 180 nm
    Range:
    >= 140 - <= 220 nm
    Percentile:
    D50
    Typical value:
    ca. 70 nm
    Range:
    >= 60 - <= 100 nm
    Percentile:
    D10
    Typical value:
    ca. 30 nm
    Range:
    >= 20 - <= 40 nm
    Additional information:
    62 +/- 3.8% of the particles have a equivalent circle diameter within the specification for nano materials.
    Fraction of constituent particles in the size range 1-100 nm:
    ca. 58 - ca. 66 %

    Crystallinity

    Structuresopen allclose all
    Structure:
    crystalline
    Name:
    Hematite
    Pure structure:
    no
    Range:
    ca. 0 - ca. 50 %
    Structure:
    crystalline
    Name:
    Jacobsite
    Pure structure:
    no
    Range:
    ca. 0 - ca. 30 %
    Structure:
    crystalline
    Name:
    Iron manganese oxide
    Pure structure:
    no
    Range:
    ca. 0 - ca. 30 %

    Specific surface area

    Typical specific surface area:
    ca. 10 m²/g
    Range of specific surface area:
    > 5 - <= 15 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Iron manganese trioxide
    EC Number:
    235-049-9
    EC Name:
    Iron manganese trioxide
    CAS Number:
    12062-81-6
    Molecular formula:
    FeMnO3
    IUPAC Name:
    λ²-iron(2+) oxomanganesebis(olate)
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    Iron manganese trioxide
    EC Number:
    235-049-9
    EC Name:
    Iron manganese trioxide
    CAS Number:
    12062-81-6
    Molecular formula:
    FeMnO3
    IUPAC Name:
    λ²-iron(2+) oxomanganesebis(olate)

    Characterisation of nanoforms

    Particle size distribution and range

    Particle size distribution and range
    Range of length:
    90 nm

    Specific surface area

    Range of specific surface area:
    ca. 12 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no

    Composition(s) generated upon use

    Other types of composition(s)