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Identification

Chemical structure
Display Name:
Diiron trioxide
EC Number:
215-168-2
EC Name:
Diiron trioxide
CAS Number:
1309-37-1
Molecular formula:
Fe2O3
IUPAC Name:
diiron trioxide

Type of Substance

Composition:
mono-constituent substance
Origin:
inorganic

Substance Identifiers open all close all

  • Diiron Trioxide
  • 215-168-2
  • 215-168-2
  • 1309-37-1
  • 1332-37-2
  • Pigment Red 101
  • Hematite
  • Iron Oxide
  • E172
  • C.I: 77491
  • C.I. Pigment Red 101, C.I. 77491, Diiron trioxide, Iron(III)oxide, Ferric oxide Red, iron oxide, Iron oxide red, Copperas red
  • AMOMAX-*
  • ActiSorb*
  • Aquafer
  • AutomotiveTM Flash Russet A-660S
  • Bayferrox
  • Bayferrox 130
  • Blondiee® Super Bronze 6200S
  • Blood stone
  • C.I. 77491
  • C.I. Pigment Red 101
  • C.I. Pigment Red 101 C.I. 77491 Bayferrox 130 Diiron trioxide Iron(III)oxide Ferric oxide Red iron oxide Iron oxide red Copperas red
  • C.I. pigment red 101
  • C12-1*
  • COLORANA
  • CathayCoat Red Iron Oxide
  • CathayCoat Red Iron oxide
  • CathayMag Red Iron oxide
  • CathayPure Red Iron Oxide
  • CathayPure Red Iron oxide
  • Colortherm
  • Copperas red
  • DIIRON TRIOXIDE
  • DMax *
  • Diiron trioxide
  • Dzelzs Trioksīds
  • Eisenoxid AB2
  • Eisenoxid HPG<110
  • Eisenoxid HPG<110D
  • Eisenoxid HPG<60
  • Eisenoxid HPG<60D
  • Eisenoxid HPG<80
  • Eisenoxid HPG<80 VERDICHTET
  • Eisenoxid HPG<80D
  • Eisenoxid MHPG<150
  • Eisenoxid MHPG<150 VERDICHTET
  • Eisenoxid MHPG<150D
  • Eisenoxid MPG<250
  • Eisenoxid MPG<250 VERDICHTET
  • Eisenoxid MPG<250D
  • Eisenoxid UPLG B2
  • Eisenoxid UPLG<350
  • Eisenoxid UPLG<350D
  • Eisenoxid sprühgeröstet B2
  • Eisenoxid zur Herstellung von Zementklinker
  • FERRIC OXIDE (PURITY MORE THAN 99%)
  • FERRIC OXIDE GRADE HPG<80 PPM PURITY 99
  • FERRIC OXIDE GRADE HPG<80D OF PURITY 99%
  • FERRIC OXIDE HPG<60
  • FERRIC OXIDE MPG<250 OF PURITY MIN. 99%
  • Ferric oxide
  • FerroTint Red Iron Oxide
  • FerroTint Red Iron oxide
  • Ferroxon Red
  • G-3 *
  • Haematite
  • Hematite
  • IRON OXIDE-DENSE-VOESTALPINE
  • IRON OXIDE-UNDENSE-VOESTALPINE
  • Iron (III) oxide
  • Iron Oxide
  • Iron Oxide HPG - A(1)
  • Iron Oxide HPG<110
  • Iron Oxide HPG<110D
  • Iron Oxide HPG<60
  • Iron Oxide HPG<60D
  • Iron Oxide HPG<80
  • Iron Oxide HPG<80D
  • Iron Oxide JXC
  • Iron Oxide MHPG<150
  • Iron Oxide MHPG<150D
  • Iron Oxide MPG<250
  • Iron Oxide MPG<250D
  • Iron Oxide Red
  • Iron Oxide UPLG<350
  • Iron Oxide UPLG<350D
  • Iron Oxide, MHPG-DX (densified)
  • Iron Oxide, MHPG-X
  • Iron oxide
  • Iron oxide (Fe2O3)
  • Iron oxide red
  • Iron trioxide
  • Iron(III)oxide
  • Iron, specular
  • Järnoxid
  • Lavanya Laal / Red lron Oxide
  • Lurgi iron oxides
  • Merox Ferric Oxide
  • N-150
  • OSSIDO DI FERRO
  • OX 9030
  • Pigment Red
  • Piirox® A110
  • Piirox® A130
  • Piirox® K130M
  • Red Iron Oxide 190
  • Red Iron Oxide 190WH
  • Red iron oxide
  • Red iron oxide 130 ; Red iron oxide 130A; Red iron oxide 190
  • Red iron oxide pigment Crimea FerroX
  • ReflexTM Splendor Russet R-660K
  • Ruthner iron oxides
  • SR-570
  • STYROMAX® *
  • See section 3.4 for trade name on the mixtures containing the substance
  • ShiftMax 120
  • ShiftMax*
  • Spectrum Red Iron Oxide
  • Spectrum Red Iron oxide
  • Synthetic iron oxides
  • TAROX IRON OXIDE R-110-7
  • TAROX IRON OXIDE R-110P
  • TAROX IRON OXIDE R-516-L
  • TAROX IRON OXIDE R-516P
  • TAROX IRON OXIDE R-800HP
  • TAROX IRON OXIDE RB-50
  • The substance only placed on the market as a part of the chemical matrix of an inorganic catalyst (i.e. regarded as a preparation according to Guidance on substance identification). Therefore trade name for the substance does not exist.
  • WAS Eisenoxid
  • diiron trioxide
  • drinkwaterslib
  • ijzerslib
  • iron oxide red
  • ossido di ferro rosso
  • ossido di ferro rosso sintetico
  • oxid železa
  • oxid železitý
  • oxyde de fer rouge
  • red iron oxide
  • synthetic red iron oxide
  • C.I. 77491
    (C.I.)
    C.I. Pigment Red 101
    (No other type specified), (C.I.)
    C.I.PIGMENT RED 101
    (No other type specified)
    Iron oxide red
    (No other type specified)
    Iron(III)oxide
    (No other type specified)
    Red Iron Oxide
    (No other type specified)
    ferric oxide, hematite, ferric iron, red iron oxide, rouge, maghemite, colcothar, iron sesquioxide, rust, ochre
    (No other type specified)

    Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Diiron trioxide
    EC Number:
    215-168-2
    EC Name:
    Diiron trioxide
    CAS Number:
    1309-37-1
    Molecular formula:
    Fe2O3
    IUPAC Name:
    diiron trioxide
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    Diiron trioxide
    EC Number:
    215-168-2
    EC Name:
    Diiron trioxide
    CAS Number:
    1309-37-1
    Molecular formula:
    Fe2O3
    IUPAC Name:
    diiron trioxide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform

    Shape

    Shape descriptionopen allclose all
    Shape category:
    elongated
    Shape:
    other: polymorph (spheres/cubes/globular/rods)
    Pure shape:
    no
    Range:
    >= 0 - <= 100 %
    Shape category:
    spheroidal
    Shape:
    other: polymorph (spheres/cubes/globular/rods)
    Pure shape:
    no
    Range:
    >= 0 - <= 100 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 5 - <= 50 nm
    Percentile:
    D50
    Range:
    >= 10 - <= 100 nm
    Percentile:
    D90
    Range:
    >= 15 - <= 110 nm
    Range of length:
    >= 10 - <= 150 nm
    Range of aspect ratio (:1):
    >= 1 - <= 5
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    > 5 - < 90 nm
    Percentile:
    D50
    Range:
    > 10 - < 100 nm
    Percentile:
    D90
    Range:
    > 20 - < 200 nm
    Range of aspect ratio (:1):
    >= 1 - <= 5
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    alpha-Fe2O3 (Hematite)
    Pure structure:
    yes

    Specific surface area

    Range of specific surface area:
    > 5 - < 380 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    Diiron trioxide
    EC Number:
    215-168-2
    EC Name:
    Diiron trioxide
    CAS Number:
    1309-37-1
    Molecular formula:
    Fe2O3
    IUPAC Name:
    diiron trioxide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Diiron trioxide -Nano - alpha Fe2O3 _ AR<5

    Shape

    Shape descriptionopen allclose all
    Shape category:
    elongated
    Shape:
    other: polymorph (spheres/cubes/globular/rods)
    Pure shape:
    no
    Range:
    >= 0 - <= 100 %
    Shape category:
    spheroidal
    Shape:
    other: polymorph (spheres/cubes/globular/rods)
    Pure shape:
    no
    Range:
    >= 0 - <= 100 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 5 - <= 50 nm
    Percentile:
    D50
    Range:
    >= 10 - <= 100 nm
    Percentile:
    D90
    Range:
    >= 15 - <= 110 nm
    Range of length:
    >= 10 - <= 150 nm
    Range of aspect ratio (:1):
    >= 1 - <= 5
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    > 5 - < 90 nm
    Percentile:
    D50
    Range:
    > 10 - < 100 nm
    Percentile:
    D90
    Range:
    > 20 - < 200 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    alpha-Fe2O3 (Hematite)
    Pure structure:
    yes

    Specific surface area

    Range of specific surface area:
    > 5 - < 300 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Diiron trioxide
    EC Number:
    215-168-2
    EC Name:
    Diiron trioxide
    CAS Number:
    1309-37-1
    Molecular formula:
    Fe2O3
    IUPAC Name:
    diiron trioxide

    Legal Entity Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Diiron trioxide
    EC Number:
    215-168-2
    EC Name:
    Diiron trioxide
    CAS Number:
    1309-37-1
    Molecular formula:
    Fe2O3
    IUPAC Name:
    diiron trioxide
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    Diiron trioxide
    EC Number:
    215-168-2
    EC Name:
    Diiron trioxide
    CAS Number:
    1309-37-1
    Molecular formula:
    Fe2O3
    IUPAC Name:
    diiron trioxide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    other: polymorph (spheres/cubes/globular)
    Pure shape:
    no
    Typical composition:
    ca. 99 %
    Range:
    > 95 - <= 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Remarks:
    The shapes in the shape category "spheroidal" are considered as polymorph shapes (spheres/cubes/globular).
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 45 nm
    Range:
    >= 41 - <= 60 nm
    Percentile:
    D50
    Typical value:
    ca. 94 nm
    Range:
    >= 82 - <= 124 nm
    Percentile:
    D90
    Typical value:
    ca. 200 nm
    Range:
    >= 160 - <= 250 nm
    Typical aspect ratio (:1):
    ca. 1.5 :1
    Range of aspect ratio (:1):
    >= 1 - <= 3
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 58 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    alpha-Fe2O3 (Hematite)
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    ca. 15 m²/g
    Range of specific surface area:
    >= 10 - <= 20 m²/g

    Surface functionalisation / treatment

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


    Constituent 1
    Chemical structure
    Reference substance name:
    Diiron trioxide
    EC Number:
    215-168-2
    EC Name:
    Diiron trioxide
    CAS Number:
    1309-37-1
    Molecular formula:
    Fe2O3
    IUPAC Name:
    diiron trioxide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Diiron trioxide
    EC Number:
    215-168-2
    EC Name:
    Diiron trioxide
    CAS Number:
    1309-37-1
    Molecular formula:
    Fe2O3
    IUPAC Name:
    diiron trioxide
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    Diiron trioxide
    EC Number:
    215-168-2
    EC Name:
    Diiron trioxide
    CAS Number:
    1309-37-1
    Molecular formula:
    Fe2O3
    IUPAC Name:
    diiron trioxide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Diiron trioxide -Nano Set - alpha Fe2O3

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    other: Polymorph (spheres/cubes/globular/rods)
    Pure shape:
    yes
    Range:
    >= 0 - <= 100

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D50
    Range:
    > 50 - < 100 nm
    Percentile:
    D90
    Range:
    > 70 - < 200 nm
    Percentile:
    D10
    Range:
    > 30 - < 90 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    alpha Fe2O3 (hematite)
    Pure structure:
    yes

    Specific surface area

    Range of specific surface area:
    > 5 - < 380 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    Diiron trioxide
    EC Number:
    215-168-2
    EC Name:
    Diiron trioxide
    CAS Number:
    1309-37-1
    Molecular formula:
    Fe2O3
    IUPAC Name:
    diiron trioxide