Product name: iron oxide
CAS no. : 1309-37-1;
RTECS number: NO7400000
EINECS: no. 215-168-2;
Chemical formula: Fe ₂ O ₃
Molecular weight: 159.6882
Melting point: 1565 ℃
Boiling point: 3414 ° C
Density: 5.24 g/cm after
Properties: look for red brown powder with metallic luster
Solubility: soluble in water, does not react with water.
Soluble in acid, reaction with acid.
No reaction with NaOH.
Be CO oxidation: high temperature, H ₂, Al, C, Si, etc.
Stability: stable and soluble in Hydrochloric Acid
, dilute sulphuric acid generated + 3 iron salts.
Elemental in Ferrous
ions in the substitution reaction of iron.
Fe2O3 fecl3 HCL + 6 = 2 + 3 h ₂ O Fe2O3 + 3 - h2so4 = Fe2 (SO4) 3 + 3 h2o
Storage conditions: store in a dry place, not to be affected with damp be affected with damp, avoid high temperature, isolation with acid and alkali.
According to the storage conditions, product packaging is not opened effective storage period for three years.
Sealed storage, stored in a cool, dry, well ventilated warehouse.
Stay away from incompatible materials.
Main application: used in paint, rubber, plastics, construction and other colouring, inorganic pigment, used as antirust pigment in the coating industry.
Used for rubber, artificial marble, terrazzo stains on the ground, plastics, asbestos, artificial leather, leather wipe light pulp and filler colorant, precision instruments, optical glass polishing agent and raw material of manufacturing ferrite magnetic material and components.
Used in electronic industry, communication machine, TV, computer and other magnetic material and line output transformer, switching power supply and high U and UQ ferrite core
Used as analytical reagent, catalyst, and polishing agent, also used in pigment ingredients;
Used in all kinds of pills, pills coat sugar coloring
Used as magnetic materials, pigment and for making reductant, polishing agent, catalyst, etc.;
Used for coloring tablets icing and capsules, etc
Used as antirust paint pigments.
Because of the goods made of micaceous iron oxide antirust paint good water permeability resistance, excellent rust resistance, can take the place of red lead
Edible red pigment.
Japan used for red bean meal, konjac powder food.
To had been treated with preservatives of banana fruit stalk incision is recognized.
More than the United States for cat food, dog food and packing materials
Inorganic red pigment is mainly used for transparent color of the coin, also used in paint, ink and plastic color
Widely used in paint, rubber, plastics, cosmetics, building fine grinding materials, precision hardware instrument, optical glass, enamel, cultural and educational supplies, leather, magnetic alloy and high alloy steel coloring;
Mainly used as magnetic materials, pigment, polishing agent, catalyst, etc., are also used in telecommunications, instrument industry;
Mainly used as magnetic materials, pigment, polishing agent, catalyst, inorganic red pigment are also used in telecommunications, instrument industry.
And CO reaction of refining cast iron (H2, C, Al)
Fe2O3 co = = fe 2 + 3 + 3 co2 (high temperature)
Fe2O3 + 3 h2 = = fe 2 + 3 h2o (high temperature)
Fe2o3 + 3 c = = 4 fe 2 + 3 co2 write (high temperature)
Fe2O3 + 2 al = = fe 2 + Al2O3 (high temperature)
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