Aluminium Oxide Extra Pure is a high-purity, white crystalline powder widely used in laboratory, analytical, and industrial applications requiring minimal impurities and reliable performance. Known for its excellent hardness, thermal stability, and chemical resistance, it is ideal for specialised formulations and procedures.
Chemical Details:
- Chemical Name: Aluminium Oxide
- Other Names: Alumina, Al₂O₃
- Chemical Formula: Al₂O₃
- Molecular Weight: 101.96 g/mol
- Purity: Extra Pure grade (>99.5%)
- Appearance: White, odourless crystalline powder
- Melting Point: 2072°C
- Density: Approximately 3.95 – 4.1 g/cm³
- Solubility: Insoluble in water, soluble in strong acids and alkalis
Key Features:
- High purity (>99.5%) for laboratory and analytical use
- High hardness and thermal stability
- Chemically inert under most conditions
- Fine powder with uniform particle distribution
- Excellent abrasive, adsorptive, and insulating properties
Applications:
- Laboratory use: As a reagent, adsorbent, and chromatography stationary phase
- Analytical chemistry: For purification and separation processes
- Industrial use: Manufacturing of ceramics, refractories, and high-temperature applications
- Metallurgy: Used in aluminium smelting (Hall-Héroult process) and as a polishing agent
- Glass and electronics industries: As a filler and polishing compound
- Catalysis: As a catalyst support in petrochemical and chemical processes
Benefits:
- Ensures consistent and reliable results in laboratory analyses
- Enhances strength and durability in ceramic and refractory products
- Provides excellent abrasion resistance in polishing and grinding applications
- High chemical purity suitable for sensitive formulations
How to Use:
- Use directly as per laboratory protocols or industrial formulation requirements.
- For chromatography, prepare as a stationary phase following standard column preparation methods.
Safety Precautions:
- Generally considered non-hazardous but avoid inhalation of dust.
- Use personal protective equipment (PPE) such as dust masks, gloves, and protective eyewear when handling.
- Store in a cool, dry place away from moisture and incompatible materials.
