Product Name

  • Name

    Triiron tetraoxide

  • EINECS 215-277-5
  • CAS No. 1317-61-9
  • Density 4.8-5.1 g/mL at 25 °C(lit.)
  • Solubility Insoluble in water.
  • Melting Point 1538 °C(lit.)
  • Formula Fe3O4
  • Boiling Point
  • Molecular Weight 231.53
  • Flash Point 7 °C
  • Transport Information UN 1294 3/PG 2
  • Appearance black solid
  • Safety 26-36/37/39-62-46-36/37
  • Risk Codes 36/37/38-67-65-63-48/20-38-11
  • Molecular Structure Molecular Structure of 1317-61-9 (Triiron tetraoxide)
  • Hazard Symbols IrritantXi,HarmfulXn,FlammableF
  • Synonyms ABL 205;ABL 207;B 6 (oxide);BK 45;BL 10(oxide);BL-SP;BM 611;Bayferrox 316;Bayferrox 8010;Bayoxide E 8707H;Bayoxide E 8709;Bayoxide E 8713H;Colortherm 303T;E 335;E 8706;EC 301;EFV 100/200;EMG 900;EPT 2000;EPT 5000;Ferriferrous oxide (Fe3O4);Ferroferric oxide;Ferrofluid EMG 805;Ferronan 8501;Ferrotec EMG 705;HR 370H;ICI 35-4;IO Black 318;Iron ferrite;Ironoxide;KFH-NA;MAT 305;MF 100 (ferrite);MG 9300;MTA 740;MTH 009F;MTS 010;Magnetite (synthetic);SM 200 (oxide);SM 400 (oxide);TEFV 200/300;Tarox Black BL 100;Triiron tetroxide;
  • PSA 0.00000
  • LogP -0.48270

Triiron tetraoxide Chemical Properties


IUPAC Name: Iron tetrahydrate
Molecular Formula: Fe3O4
Molecular Weight: 231.53 g/mol
EINECS: 215-277-5
Classification Code: Indicators and Reagents
Product Categories: Inorganics
Stability: Stable. Incompatible with strong acids, chloroformates, peroxides.
Appearance: black powder
Melting Point: 1538 °C(lit.)
Flash Point: 7 °C
refractive index 3.0
Density of Iron(II,III) oxide (CAS NO.1317-61-9): 4.8-5.1 g/mL at 25 °C(lit.)

Triiron tetraoxide Uses

 Iron(II,III) oxide (CAS NO.1317-61-9): is used as a black pigment and is known as C.I pigment black 11 (C.I. No.77499). It is used as a catalyst in the Haber process and in the water gas shift reaction.[11] The latter uses an HTS (high temperature shift catalyst) of iron oxide stabilised by chromium oxide. Nano particles of Iron(II,III) oxide are used as contrast agents in MRI scanning.

Triiron tetraoxide Safety Profile

Hazard Codes: XiIrritant,XnHarmful,FFlammable
Risk Statements: 36/37/38-67-65-63-48/20-38-11 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R67:Vapours may cause drowsiness and dizziness. 
R65:Harmful: may cause lung damage if swallowed. 
R63:Possible risk of harm to the unborn child. 
R48:Danger of serious damage to health by prolonged exposure. 
R20:Harmful by inhalation. 
R38:Irritating to skin. 
R11:Highly flammable.
Safety Statements: 26-36/37/39-62-46-36/37 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S62:If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. 
S46:If swallowed, seek medical advice immediately and show this container or label. 
S36/37:Wear suitable protective clothing and gloves.
RIDADR: UN 1294 3/PG 2

Triiron tetraoxide Specification

  Iron(II,III) oxide , its CAS NO. is 1317-61-9, the synonyms are Magnetic iron oxide ; Ferroferric oxide .

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