Description

Aluminum Oxide CAS NO 1302-74-5 is a versatile and high-performance inorganic compound, also known as alumina, prized for its exceptional hardness, thermal stability, and chemical inertness. It serves as a critical raw material and functional component across numerous high-value industrial sectors. This product is essential for manufacturers and processors in the ceramics, abrasives, refractory, and advanced materials industries seeking reliable quality and consistent performance.

Application

• Abrasive Manufacturing: Primary raw material for producing grinding wheels, sandpaper, blasting media, and polishing compounds.
• Refractory & Ceramics: Key component in high-temperature linings for furnaces, kiln furniture, technical ceramics, and advanced structural components.
• Catalyst & Catalyst Support: Widely used as an adsorbent, desiccant, and as a high-surface-area support material in catalytic processes within the petrochemical industry.
• Electronic Substrates & Fillers: Employed in the production of insulating substrates for integrated circuits and as a filler in plastics and composites to enhance thermal conductivity and mechanical strength.
• Surface Coatings: Used in plasma-sprayed coatings to provide wear and corrosion resistance on metal components.
• Laboratory & Chromatography: Acts as a stationary phase in chromatography columns and as a reagent in various analytical and synthetic chemistry applications.

Basic Information

Product Name	Aluminum Oxide
CAS No.	1302-74-5
Molecular Formula	Al2O3
Molecular Weight	101.96 g/mol
Synonyms	Alumina; Aluminium Oxide; Aluminium(III) Oxide; Corundum; α-Alumina; Activated Alumina; Abrasive Grain; Aluminum Trioxide; Aloxite; Alundum
EINECS	215-691-6

Quality Control

Our Aluminum Oxide is manufactured under strict quality management protocols to ensure batch-to-batch consistency and performance. Quality is verified through a series of analytical tests including assay (Al2O3 content), particle size distribution, specific surface area (BET), and impurity analysis. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your technical requirements.

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 container tightly sealed when not in use to minimize exposure to atmospheric moisture. Separate from strong acids and strong bases.

Specification

Item	Specification
Appearance	White powder or granules
Identification (IR)	Conforms
Assay (as Al2O3)	≥ 99.0%
Loss on Ignition (LOI)	≤ 1.0%
Particle Size (D50)	Customizable (e.g., 1-100 µm)
Specific Surface Area (BET)	Customizable (e.g., 1-350 m²/g)
Bulk Density	Customizable
Iron (Fe)	≤ 0.02%
Sodium (Na)	≤ 0.02%
Silicon (Si)	≤ 0.02%

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