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  • Iron(III) oxide — also known as ferric oxide, Hematite, red iron oxide, synthetic maghemite, colcothar, or simply rust — is one of several oxide compounds of iron, and has paramagnetic properties. Its chemical formula is Fe2O3. The mineral form of ferric oxide is hematite; it is mined as the main ore of iron.
  • Goethite and hematite are the most thermodynamically stable ferric oxides in oxic soils and sediments, and their ratio depends primarily on
    the parent minerals and on the activity of water during their formation. In soils, the transformation rate of ferric oxide due to seasonal cycling, and the reducing and complexing activity of organic substances are important parameters.
  • Fe2O3 is very affected by a reducing atmosphere where it can act as a flux in both bodies and glazes at high temperatures. Its fluxing action in reduction is quite remarkable and can be demonstrated using a line blend in a clear glaze. Higher amounts of iron exhibit dramatically increased fluidity.
  • Fe2O3 is the most natural state of iron oxide where it is combined with the maximum amount of oxygen. In oxidation firing it remains in this form to typically produce amber to yellow up to 4% in glazes (especially with lead and calcia), tans around 6% and browns in greater amounts. In the 20% range, matteness is typical. However, once it reduces to FeO and immediately begins fluxing and forming a glass, it is difficult to reoxidize. Since the breakdown of carbon or sulfur compounds in body and glaze so easily reduces iron, a slow and very thoroughly oxidizing atmosphere is critical through the 700-900C range to assure that all the iron remains in its antiflux oxidized form.
  • Ferric oxides are often added to coatings and foundry moulding materials in order to suppress casting defects like pinholes. By the delivery of oxygen with T>1200°C free hydrogen and nitrogen can be bind. Castings defects resulting from thermal expansion are reduced by the addition of ferric oxide to the moulding material, because the thermal expansion of the moulding material is reduced.
  • A very fine powder of ferric oxide is known as jeweller's rouge, red rouge, or simply rouge. It is used to put the final polish on metallic jewellery and lenses, and historically as a cosmetic. Iron oxide yellow is widely used in painting, scagliola and concrete due to its bright and pure color, good weather proof and high opacity, also can be used as colorant for ink, rubber, paper and so on.
  • Based on statistics of four branches of the China Dyestuff Industry Association, on titanium white powder, lithopone powder, ferric oxide and lemon chrome in 2005, there were 239 enterprises producing the above four types of inorganic pigment, with a combined production capacity of 1.893 million tons and output of 1.5583 million tons, of which 44% was titanium white powder, 40% was ferric oxide, 14% was lithopone powder, and 2% was chrome family pigment. Total import of the four was 420,000 tons in 2005, and the total export was 580,000 tons, and their apparent consumption was 1.39 million tons, accounting for 23% of the total consumption of the same kinds of inorganic pigment in the world.
  • China's total import of titanium white powder was 228,000 tons in 2005, including 76,000 tons imported by processing trade and as transit goods through bonded warehouses, and export of titanium white powder was 155,000 tons. The proportion of import by processing trade will remain at more than 50%, while the export will continue increasing.
General Information
  • Ferric Oxide
  • Ferric Oxide Formula
  • Properties of Ferric Oxide
  • Physical Properties of Iron (III) Oxide
  • Ferric-oxide Archaeology
  • Red Iron Oxide

Production and Processing

  • Manufacture of gamma-iron(III) oxide
  • Preparation of Dispersed Iron (III) Oxide
  • Preparation of Iron (III) Oxide
  • Preparation of Ferric Oxide
  • Production Process of Ferric Oxide

Functions and Properties

  • Bacterial Reductive Dissolution of Crystalline Fe(III) Oxide
  • Catalitically Active and InActive Forms of Ferric Oxide
  • Magnetic and transport properties of nanostructured ferric oxide
  • Synthesis and photo electro chemical properties of nanoporous iron (III) oxide
  • Properties of Iron Oxide
  • Microbial Reduction of Crystalline Iron(III) Oxides

Company Profiles

  • Shaxing Xinghua Ferric Oxide
  • Jing jiang Activator Factory
  • Merox
  • Qingdao terio corporation
  • Foshan Zhaohui Chemical Industry
  • Yixing Pigment Factory
  • Anhui Fanchang Shunfa Painting Factory
  • Wenzhou huanan chemical and industrial corporation


  • Kenneth S. Suslick
  • Daniel D. Perlmutter
  • Experts in ferric oxide
  • Expert in Environmental and aquatic chemistry
  • Ivano Bertini
  • John Dobiecki
  • K.T. (Karl) Chuang

Material Safety Data Sheet

  • Ferric Oxide
  • Ferric Oxide Black
  • Ferric Oxide Red 
  • Iron (III) Oxide
  • Calamine
  • Safety data for iron (III) oxide
  • Science Lab Data Sheet
  • SikaQuick Fast Fix


  • Particle gamma ferric oxide
  • Production of acicular ferric oxide
  • Alkaline earth metal ferrite and ferric oxide admixture
  • Power Production Process Reduce Acid Rain
  • Method of incinerating plastic products containing ferric oxide
  • Production of ferric oxide from Iron Chloride
  • Process for producing monohydrated beta-ferric oxide

Applications and Products

  • Buffing and Polishing
  • Diane®-35
  • Emend®
  • Iron oxide red Products
  • Sinemet®CR
  • Vesicare®


Technology and Technique
  • New Technology of Ferric Oxide
  • Technologies for Arsenic Removal from Drinking Water
  • Process Optimization Using Granular Ferric Oxide Adsorption
  • Cross-Platform Viability of Treatment Technologies
  • Characterization of the pores in hydrous ferric oxide formed by freezing and thawing
  • Geochemistry of Hydrous Ferric Oxide Reduction by Geobacter metallireducens
  • Iron oxide mineralogy in late Miocene red beds from La Gloria, Spain

Plant and Projects

  • American Iron Oxide Company Plant
  • Ferric Oxide Production Plant
  • Chemirite Ferric Oxide Plant
  • Acid Regeneration Plant
  • Ferric Oxide Project
  • High purity ferric oxide project
  • Remote Sensing of Abandoned Mines
  • Arsenic Demonstration Project
  • Ferric Oxide Research Project


  • National Production Capacity for Ferric Oxide.
  • Iron are key to national development
  • Iron Oxide Pigments
  • U.S Market for Iron Oxide
  • World Market for Ferric Oxide
  • New Market Trend of Ferric Oxide
  • China becomes major consumption market of inorganic pigment


  • Export and Import level of Ferric oxide
  • Ferric Oxide - Annual Report 2003
  • Synthesis of MnFe2O4 nanoparticles by mechanochemical reaction
  • Benzo[a]pyrene coated ferric oxide and aluminum oxide particles
  • Natural Remediation of Arsenic Contaminated Ground Water
  • Effects of Benzo[a]pyrene and Ferric Oxide on the Hamster Tracheobronchial Epithelium
  • Abrasive Blasting Agents

Manufacturers, Suppliers

  • Suppliers Directory of Ferric Oxide
  • Ferric Oxide Exporters
  • Indian Exporters of Ferric Oxide
  • Iron Oxide Indian Exporters
  • Suppliers of Iron Oxide
  • Manufacturers of Ferric Oxide Red
  • Ferric Oxide Powder Manufacturers
  • Ferric Oxide Traders
  • U.S suppliers of Iron Oxide Black


  • Foreign Buyers of Ferric Oxide
  • Ferric Oxide Indian Buyers
  • Ferric Oxide Buyers List


  • Ferric Oxide Laboratory Guide
  • NIOSH Pocket Guide to Chemical Hazards
  • Science Safety Guidelines
  • Ferric Oxide Useful Links

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