Activated Alumina CAS#1344-28-1
Powerful Adsorption & Drying Capacity: Porous aluminum oxide with high specific surface area, excellent adsorption performance for water, fluoride and polar molecules, widely used as desiccant, adsorbent and defluorinating agent in gas and liquid drying.
High Thermal Stability & Catalyst Support Property: High mechanical strength, thermal stability and regeneration performance, widely used as catalyst carrier and adsorbent for petrochemical, air separation and water treatment industry.
Stable Solid Form for Convenient Transport: White spherical bead or powder with uniform texture, stable under sealed dry storage, easy to weigh, transport and automatic feeding.
Activated alumina is a high-demand inorganic porous adsorbent and catalyst carrier raw material, low irritancy and wide coverage of gas drying, water purification, petrochemical and catalyst carrier application scenarios.
Chemical & Physical Properties
| Property | Value |
|---|---|
| Melting point | 2072 ℃ |
| Density | 3.5~3.9 g/cm³ (solid); bulk density 0.68~0.80 g/cm³ |
| Storage temp | Sealed dry cool warehouse, strictly isolate moisture and acidic materials |
| Solubility | Insoluble in water, soluble in strong acid and alkali |
| Form | Spherical bead / powder |
| Color | White |
| Odor | Odorless |
| PH Value | 7.0~9.0 (aqueous suspension, weakly alkaline) |
| Hygroscopicity | Highly hygroscopic, absorbs moisture and polar molecules |
| Stability | Stable in airtight packaging; reacts with strong acid and alkali |
| EINECS No. | 215-691-6 |
| CAS DataBase Reference | 1344-28-1 |
Safety Information
| Item | Value |
|---|---|
| Hazard Codes | Xi |
| Risk Statements | R36: Irritating to eyes |
| Safety Statements | S22; S26; S39: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice |
| UN Number | Not regulated |
| Hazard Class | Not dangerous goods |
| Packing Group | Not applicable |
| Flammability | Non-flammable |
| HS Code | 28182000 |
Main applications: Air, gas and organic solvent deep desiccant; drinking water fluoride removal and arsenic removal adsorbent; catalyst carrier for petrochemical and reforming; transformer oil and acid adsorption; hydrogen peroxide production regeneration agent; pressure swing adsorption (PSA) drying.
