Description

Diiron Silicon Tetraoxide is an inorganic compound with the chemical formula Fe₂SiO₄, also known as fayalite, which is the iron-rich endmember of the olivine mineral group. This material is valued for its high-temperature stability, refractory properties, and role as a precursor in advanced material synthesis. It serves as a critical raw material for industries requiring robust ceramic components, specialized metallurgical fluxes, and controlled abrasive media. Key sectors that utilize this compound include foundries, refractory manufacturing, and advanced ceramics production.

Application

• Refractory and Ceramic Production: Used as a key component in high-temperature linings, kiln furniture, and specialty ceramics due to its excellent thermal stability and resistance to thermal shock.
• Metallurgical Fluxing Agent: Acts as a slag conditioner and flux in steelmaking and non-ferrous metal processing to control viscosity and remove impurities.
• Abrasive Media: Employed in the manufacturing of controlled-consistency blasting and grinding media for surface preparation and polishing.
• Foundry Sand Binder: Serves as an additive in molding sands to improve strength and thermal characteristics for metal casting applications.
• Geochemical Research Standard: Used as a reference material in laboratory studies of mineralogy, petrology, and high-pressure geochemistry.
• Pigment and Coating Additive: Imparts specific color and durability properties in high-performance industrial coatings and pigments.
• Welding Electrode Coating: Incorporated into coatings for welding rods to stabilize the arc and improve slag characteristics.

Basic Information

Product Name	Diiron Silicon Tetraoxide
CAS No.	13918-37-1
Molecular Formula	Fe₂SiO₄
Molecular Weight	203.77 g/mol
Synonyms	Fayalite; Iron(II) orthosilicate; Iron silicate (Fe₂SiO₄); Ferrous orthosilicate; Iron silicon oxide (Fe₂SiO₄); Olivine (Fe-endmember); 1,3,5,2,4-Trioxadisilepane, 2,2,4,4-tetrakis(oxoiron); EINECS 237-704-3
EINECS	237-704-3

Quality Control

Our Diiron Silicon Tetraoxide is manufactured under a stringent quality management system to ensure batch-to-batch consistency and reliability. Product specifications are verified through advanced analytical techniques including X-ray diffraction (XRD) for phase identification and X-ray fluorescence (XRF) for elemental composition. A comprehensive Certificate of Analysis (COA) detailing purity, particle size distribution, and chemical assay is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep the container tightly sealed to minimize exposure to atmospheric moisture and carbon dioxide. Store away from incompatible materials such as strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	Brown to black crystalline powder
Identification (XRD)	Conforms to Fayalite pattern
Assay (Fe₂SiO₄)	≥ 95.0 %
Iron Content (as Fe)	≥ 54.0 %
Silicon Content (as Si)	≥ 13.5 %
Particle Size (D50)	10 - 50 µm (customizable)
Loss on Drying (105°C)	≤ 1.0 %
Heavy Metals (as Pb)	≤ 50 ppm

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