Description

Goethite is a naturally occurring iron oxyhydroxide mineral, a key component of rust and a vital industrial source of iron. Its unique crystalline structure and chemical stability make it an essential raw material and pigment across diverse sectors. This product is critical for manufacturers in the pigments, construction, environmental remediation, and advanced materials industries seeking a reliable and consistent supply of high-quality iron oxide.

Application

• Pigments and Colorants: As a yellow ochre pigment in paints, coatings, plastics, and construction materials like concrete and paving stones.
• Environmental Catalysis & Adsorption: Used as a catalyst or catalyst support in environmental processes and as an adsorbent for heavy metals and arsenic in water treatment.
• Soil Amendment and Fertilizers: Acts as a slow-release source of iron in agricultural applications to correct iron chlorosis in plants.
• Geological and Research Applications: Serves as a standard or subject of study in mineralogy, geology, and materials science research.
• Iron and Steel Production: An important iron ore mineral, though typically processed from other primary ores like hematite.
• Cosmetics and Personal Care: Used as a colorant in certain cosmetic formulations where natural iron oxides are specified.

Basic Information

Product Name	Goethite
CAS No.	1310-14-1
Molecular Formula	α-FeO(OH)
Molecular Weight	88.85 g/mol
Synonyms	Iron(III) oxide-hydroxide; Iron oxide yellow; α-FeOOH; Ferric oxyhydroxide; Yellow iron oxide; Natural yellow oxide; Iron hydroxide oxide; Goethite
EINECS	215-176-6

Quality Control

Our Goethite is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and compliance with relevant industrial specifications. Key parameters such as iron content, 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. The product is stable under normal storage conditions.

Specification

Item	Specification
Appearance	Yellow to yellowish-brown powder
Identification (IR)	Conforms to standard
Assay (as FeO(OH))	≥ 85.0%
Iron Content (as Fe)	≥ 62.0%
Loss on Drying (105°C)	≤ 1.5%
Residue on Ignition	≤ 2.0%
Particle Size (D50)	1.0 - 5.0 µm (or as specified)
Water Soluble Matter	≤ 0.5%

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