Hematite, scientifically known as iron(III) oxide (Fe2O3) and identified by CAS number 1317-60-8, is a fascinating mineral with a rich history and diverse industrial applications. Its chemical properties are central to its utility, dictating its performance in pigment manufacturing, steel production, polishing, and beyond. For industry professionals, a thorough understanding of these properties is essential for optimal material selection and utilization.

Chemically, Hematite is an oxide of trivalent iron. Its molecular formula, Fe2O3, reveals a stable compound that is generally non-combustible. A key characteristic is its insolubility in water, which contributes to its durability and resistance in various environmental conditions, making it an excellent choice for outdoor paints and coatings. However, it readily reacts with strong acids, such as hydrochloric acid and sulfuric acid, to form iron salts and water. This reactivity is sometimes leveraged in industrial processes, but also necessitates careful handling and storage to avoid contact with incompatible acidic materials.

The stability of the Fe2O3 structure is notable. While it can be reduced by agents like carbon monoxide (CO), hydrogen (H2), or aluminum (Al) at high temperatures to produce metallic iron, in ambient conditions, it remains remarkably stable. This stability is what makes it such a reliable pigment; the color does not degrade easily under light or heat, ensuring long-lasting vibrancy.

Hematite's role as an iron ore is directly linked to its chemical composition. The high percentage of iron in Fe2O3 makes it the primary source for iron extraction. The smelting process, often involving high temperatures and reducing agents, breaks down the oxide to yield metallic iron. This fundamental process underpins the global steel industry, where Hematite is an indispensable raw material.

In pigment applications, the specific crystalline structure and particle size of Hematite influence its color shade and intensity. Different processing methods can yield variations from bright red to deep brown. Its inherent opacity means that a relatively small amount can effectively cover surfaces, making it an economical and high-performing pigment. When seeking to buy Hematite powder China suppliers offer various grades optimized for pigmentary use.

For polishing applications, Hematite's hardness (Mohs hardness of 5-6) and its ability to form fine, uniform particles are key. These properties allow it to abrade surfaces smoothly and effectively, achieving a high gloss finish without causing excessive damage. The chemical inertness of polished Hematite also ensures that the finish remains stable over time.

When sourcing Hematite, particularly as an Iron(III) oxide pigment supplier or industrial chemical manufacturer, it's important to focus on consistency in chemical composition. Understanding the implications of minor impurities on performance is crucial. Working with a reliable CAS 1317-60-8 manufacturer price and specification details will ensure you receive material that meets your exact industrial requirements.

In conclusion, the chemical properties of Hematite – its stability, reactivity with acids, and its composition of trivalent iron – are the very reasons for its extensive industrial significance. From its foundational role in metal production to its critical function in imparting color and achieving fine finishes, Hematite remains an indispensable industrial chemical.