Aluminum oxide
SIGALD/799300 - Brockmann I, activated, standard grade, free-flowing, Redi-Dri™
Synonym: Alumina
CAS Number: 1344-28-1
Empirical Formula (Hill Notation): Al2O3
Molecular Weight: 101.96
EC Number: 215-691-6
MDL Number: MFCD00003424
Linear Formula: Al2O3
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 799300-500G
This image depicts SKU: 799300-500G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 799300-1KG
This image depicts SKU: 799300-1KG
| anion traces | chloride (Cl-): ≤0.03 (mval/g) |
| form | powder |
| greener alternative category | Enabling  |
| greener alternative product characteristics | Design for Energy Efficiency Learn more about the Principles of Green Chemistry . |
| impurities | <0.03% Fe2O3 |
| <0.03% SiO2 | |
| <0.4% Na2O | |
| InChI | 1S/2Al.3O |
| InChI key | TWNQGVIAIRXVLR-UHFFFAOYSA |
| manufacturer/tradename | CAMAG 504-C-I |
| mp | 2040 °C (lit.) |
| particle size | 50-300 mesh |
| pH | 4.5±0.5 ( in H2O) |
| pore size | 58 Å pore size |
| product line | Redi-Dri™ |
| quality | free-flowing |
| Quality Level | 100 |
| SMILES string | O=[Al]O[Al]=O |
| surface area | 150 m2/g , +/- 10% |
| sustainability | Greener Alternative Product |
| General description: | Brockmann aluminum oxides are suitable for column chromatography and adsorptive filtration. |
| General description: | We are committed to bringing you Greener Alternative Products, which belong to one of the four categories of greener alternatives. Aluminum oxide serves as a multifunctional additive or coating in lithium-ion batteries, helping stabilize electrode–electrolyte interfaces, suppress side reactions, improve thermal stability, and extend cycle life. By enabling safer, longer-lasting cells, it reduces material waste and energy use across the battery lifecycle. Click here  for more information. |
| Legal Information: | Redi-Dri is a trademark of Sigma-Aldrich Co. LLC |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 500 g in poly bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | nwg |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 2040 °C (lit.) |
| UNSPSC | 12352311 |