Description

γ-Aluminium Oxide (CAS NO 12737-16-5) is a high-purity, activated form of alumina characterized by its fine particle size and high surface area. This material is critical for applications demanding superior catalytic activity, adsorption capacity, and thermal stability. It is an essential industrial material for manufacturers in the catalyst, ceramic, and advanced materials sectors seeking consistent performance and reliable supply.

Application

• Catalyst & Catalyst Support: Widely used as a high-surface-area support for precious metal catalysts in petroleum refining, chemical synthesis, and automotive exhaust systems.
• Adsorption & Separation: Employed as a desiccant and adsorbent for drying gases and liquids, and in chromatography for purification processes.
• Ceramics & Advanced Materials: A key raw material for producing high-alumina ceramics, abrasives, wear-resistant coatings, and composite materials.
• Polishing & Surface Treatment: Used in fine polishing compounds for optical lenses, semiconductor wafers, and precision metal surfaces.
• Electronic Ceramics: Serves as a substrate or filler material in electronic components due to its excellent electrical insulation and thermal conductivity.
• Pharmaceutical & Cosmetic Ingredient: Utilized as an inert carrier or abrasive agent in certain formulations, subject to appropriate grade specifications.

Basic Information

Product Name	γ-Aluminium Oxide
CAS No.	12737-16-5
Molecular Formula	Al2O3
Molecular Weight	101.96 g/mol
Synonyms	γ-Alumina; Activated Alumina; Aluminium Oxide, γ-; Aluminum Oxide (γ-form); Alumina, activated; Aluminum Oxide, gamma phase; Aluminium Oxide Gamma; F200; Alumina Catalyst Support
EINECS	235-185-0

Quality Control

Our γ-Aluminium Oxide is produced under a strict quality management system. Each batch is tested to ensure it meets precise specifications for purity, particle size distribution, surface area, and loss on ignition. Certificates of Analysis (COA) are provided with every shipment, and we can support compliance requirements for various industrial standards. Customized quality parameters are available to meet specific application needs.

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). This product is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent absorption of atmospheric moisture, which can affect performance.

Specification

Item	Specification
Appearance	White to off-white powder
Assay (as Al2O3)	≥ 99.0 %
Loss on Ignition (LOI)	≤ 5.0 %
Surface Area (BET)	150 - 350 m²/g
Particle Size (D50)	5 - 50 µm
Bulk Density	0.5 - 0.9 g/mL
pH (in suspension)	7.0 - 9.0
Heavy Metals (as Pb)	≤ 10 ppm

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