Iron (III) Oxide

Chemicals > Inorganic Compounds > Iron (III) Oxide

Iron (III) Oxide is avaliable in two grades: Natural and Synthetic. Both with distinct specifications to cater to diverse industrial and artistic needs, providing high-performance micronised pigments renowned for their distinct yellowish-red and darker red hues, respectively. Also recognized by its mineral name, haematite, Iron (III) Oxide is a versatile compound well-known for its involvement in the thermite reaction, which finds application in welding steel.

Buy Iron (III) Oxide

Synthetic

Weight	Cost	Quantity
100g	£2.96	Add
500g	£7.38	Add
1kg	£12.83	Add
6kg	£49.20	Add
25kg	£171.86	Add

Natural

Weight	Cost	Quantity
100g	£3.43	Add
500g	£5.18	Add
1kg	£7.29	Add
6kg	£27.78	Add
25kg	£89.47	Add

Specifications

Grade:	Natural	Synthetic
Colour:	Red	Darker Red
Technical Grade	Yes	Yes
Odour:	Odourless	Odourless
Average Particle Size:	2µm - 3µm	<2.00µm
pH:	7-9	5.5
Solubility in Water	Insoluble	Insoluble
Country of Origin:	Spain	Spain or China
Oil Absorption (g/100g):	18	21
Matter Volatile at 1050C	-	0.7%
Water Soluble Matter	-	0.23%
Residue on 45µm	-	0.04%

Oxides

	Natural	Synthetic
Fe2O3	77.0%	96.6%
SiO2	12.7%	-
Ai2O3	3.0%	-
CaO	2.4%	-
MgO	1.3%	-
K2O	0.9%	-
Cu	380 ppm	-
As	142 ppm	-
Cd	<10 ppm	-
Hg	<10 ppm	-
Pb	99 ppm	-
F	37 ppm	-

Common Applications

Natural Grade

Paints and Coatings

Iron (III) Oxide Natural is a popular choice for formulating high-quality paints and coatings, imparting a rich, red pigment ideal for various applications, from artistic to industrial. This can be used in the paint and coating industry, along with plastic and wood composites.

Construction Materials

In the construction industry, this grade is utilized in concrete and cement formulations, enhancing the color of structures.

Thermite and iron smelting

Iron oxide can be mixed with aluminium powder to create small iron castings or welds, regularly used for joining rail tracks together.

Art and Pigment Manufacturing

Artists and pigment manufacturers use Iron (III) Oxide Natural for creating vivid and durable pigments. This micronised pigment has excellent dispersibility as well as stability in high energy mixing processes and at high temperatures.

Polishing

This Iron (III) Oxide powder is also know as 'jeweller's rouge' or simply rouge and is used for polishing glass and metallic jewellry.

Synthetic Grade

Cosmetic and personal care products

This is suitable due to its deeper red shade to lipsticks, eye shadows, and other beauty items. Please note our Iron (III) Oxide isn't food grade and may not be suitable for all applications, Inoxia stocks technical grade of this chemical.

Downloads

Iron (III) Oxide Synthetic MSDS

Iron (III) Oxide Natural MSDS

Product Identifiers