Product Description of Aluminum oxide CAS#1344-28-1
Aluminum oxide (Al₂O₃), alternatively named alumina or aluminium oxide, is an inorganic oxide material with high hardness and thermal stability. It serves as a core raw material for ceramics and refractory products. Beyond high-temperature material production, it is also extensively applied in abrasives, electronic components, medicines, packaging and polymer additive industries.
Factory Showcase
Chemical Properties of Aluminum oxide CAS#1344-28-1
| Melting point | 2040-2054 °C |
| Boiling point | 2980 °C at 760 mmHg |
| Density | 3.97 g/cm³ at 25 °C |
| vapor pressure | ~0 mmHg at 25 °C; 1 mmHg at 2158 °C |
| refractive index | 1.765 (alpha-alumina) |
| storage temp. | Sealed in dry, stored at room temperature |
| solubility | Practically insoluble in water, slightly soluble in strong mineral acids and strong alkali; miscible with ethanol |
| Physical Form | White crystalline powder, flakes or granules |
| Color | White to faint light pink |
| Odor | Odorless |
| Water Solubility | Insoluble (INSOLUBLE) |
| Thermal Conductivity | 10.9 W/m·K at 500 °C; 6.2 W/m·K at 1000 °C |
| Specific Heat Capacity | 0.77 J/(g·K) at 25 °C |
| Merck | 14, 356 |
| Exposure limits | ACGIH TLV-TWA 1 mg/m³ (respirable fraction); OSHA PEL-TWA 15 mg/m³ (total dust), 5 mg/m³ (respirable fraction) |
| Dielectric constant | 4.5 (ambient temperature) |
| Cosmetics Ingredients Functions | OPACIFYING, ANTICAKING, ABRASIVE, VISCOSITY CONTROLLING, BULKING, ABSORBENT |
| CAS DataBase Reference | 1344-28-1 |
Safety Information of Aluminum oxide CAS#1344-28-1
| Hazard Codes | Xi,F |
| Risk Statements | 36/37/38-67-36/38-11-36 |
| Safety Statements | 26-24/25-16-7-36 |
| WGK Germany | - |
| RTECS | BD1200000 |
| F | 3 |
| TSCA | TSCA listed |
| HazardClass | 8 |
| HS Code | 28181010 |
| Storage Class | 11 - Combustible Solids |
| Hazardous Substances Data | 1344-28-1(Hazardous Substances Data) |
| Toxicity | Chronic inhalation of Al2O3 dusts may cause lung damage. |
Inventory Display
Product Application of Aluminum oxide CAS#1344-28-1
Aluminum oxide is a high-stability inorganic material that delivers outstanding abrasion resistance and high-temperature tolerance in industrial formulations, with its application effectiveness depending on material purity and formula matching degree.
In industrial applications, aluminum oxide can be used as a functional filler and reinforcing agent in ceramics, abrasives, and various composite formulations. It is mainly produced through standardized mineral purification and synthetic processes.
Transportation and Delivery
