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Iron oxide black

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Iron oxide black Basic information
Iron oxide black Chemical Properties
  • Melting point:1538 °C(lit.)
  • Density 4.8-5.1 g/mL at 25 °C(lit.)
  • form powder
  • Specific Gravity1.19
  • Specific Gravity0.89
  • EPA Substance Registry SystemMagnetite (Fe3O4) (1309-38-2)
Safety Information
Iron oxide black Usage And Synthesis
  • Chemical PropertiesBlack mineral, black streak, submetallic or dull to metallic luster. Contains 72.4% iron. Readily recognized by strong attraction by magnet. Soluble in powder form in hydrochloric acid. Decomposes at 1538C to ferric oxide Fe2O3.
  • Chemical PropertiesMAGNETITE ,The mineral magnetite, ferroferric oxide, Fe3O4, is isometric, commonly occurring in octahedrons, dodecahedrons, and massive, granular, and laminated forms. It is brittle with an uneven fracture; cleavage is not distinct, but with pressure an octahedral parting may develop; hardness, 5.5–6.5; specific gravity, 5.18; luster, metallic to dull; color, iron black, streak, black. It is opaque and strongly magnetic; when possessing polarity it is known as lodestone.
  • UsesDiagnostic aid, magnetic resonance imaging (MRI); treatment of iron deficiency.
  • UsesBlack iron oxide (Fe3O4) is a synthetic inorganic pigment, produced by oxidation of iron (II) hydroxide obtained from the action of alkali on iron (II) sulfate solution. The composition of the pigment corresponds with that of magnetite. The pigment is of fine texture, but has only low tinting strength in paint and other coatings. It is mainly used as a colorant in fillers, primers, and undercoats. The major black pigments in the paint industry are carbon blacks.
Iron oxide black Preparation Products And Raw materials
Iron oxide black(1309-38-2)Related Product Information
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