Description

Hematite CAS NO 76774-74-8 is a high-purity, naturally occurring mineral form of iron(III) oxide (Fe₂O₃), prized for its deep red color and consistent chemical composition. It serves as a critical raw material and pigment across diverse industrial sectors, valued for its stability, non-toxic nature, and excellent tinting strength. This product is essential for manufacturers in the pigments, coatings, construction, and metallurgy industries seeking reliable quality and performance.

Application

• Pigments and Colorants: A primary source for red, brown, and yellow inorganic pigments in paints, coatings, plastics, and construction materials like concrete and roofing tiles.
• Heavy Media Separation: Used in dense media separation processes in the mining industry due to its high specific gravity.
• Polishing and Abrasives: Employed in the manufacturing of fine abrasives for polishing optical glass, jewelry, and metals.
• Construction Materials: Incorporated into heavy-weight concrete for radiation shielding, ballast, and as a coloring agent in paving stones and bricks.
• Foundry and Metallurgy: Utilized as a foundry sand additive for mold and core making, and as a raw material in iron production.
• Drilling Fluids: Acts as a high-density weighting agent in drilling muds for oil and gas well operations.
• Catalyst and Chemical Production: Serves as a catalyst or catalyst support in various chemical processes, including gas purification.

Basic Information

Product Name	Hematite
CAS No.	76774-74-8
Molecular Formula	Fe₂O₃
Molecular Weight	159.69 g/mol
Synonyms	Iron(III) oxide; Ferric oxide; Red iron oxide; Rouge; Colcothar; Blood stone; Specularite; Martite; Kidney ore; Iron sesquioxide; CI 77491; CI Pigment Red 101; CI Pigment Red 102; Natural Red 7
EINECS	Contact for details

Quality Control

Our Hematite is produced and tested under stringent quality management systems to ensure batch-to-batch consistency and compliance with relevant industrial specifications. Quality parameters including purity, particle size distribution, and color value are rigorously controlled. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee product integrity and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong acids and strong reducing agents. The product is not hygroscopic under normal conditions but should be protected from excessive moisture to prevent caking.

Specification

Item	Specification
Appearance	Red to reddish-brown powder
Identification (IR)	Conforms to standard
Assay (Fe₂O₃)	≥ 96.0 %
Loss on Drying (105°C)	≤ 1.0 %
Water Soluble Matter	≤ 0.5 %
Particle Size (D50)	1 - 10 µm (Grade dependent)
Heavy Metals (as Pb)	≤ 20 ppm
Arsenic (As)	≤ 3 ppm
Lead (Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.