Aluminium hydroxide GRG
Dried gel - Cas No 21645-51-2
| Code | Pack Size | Price | |
|---|---|---|---|
| 217C1 | 250g | £10.39 | Out of Stock |
CAS-Number: 21645-51-2
In Stock: No
Hazchem: No
Documents
ALUMINIUM HYDROXIDE
(Dried Gel)
- Formula: Al(OH)3
- UN No. N/R
- CAS No. 21645–51–2
- Appearance: white powder
- % purity:
- Other names:Aluminium(3+) trioxidanide, Aluminic acid, Aluminic hydroxide, Aluminium(III) hydroxide, Aluminum hydroxide,Hydrated alumina, Orthoaluminic acid
- Molecular formula: Al(OH)3
- Molar mass: 78 g/mol
- Density: 2.42 g/cm3
- Melting point: 300 C
Freshly precipitated aluminium hydroxide forms the gel, which is the basis for application of aluminium salts as flocculants in water purification. This gel crystallizes with time. Aluminium hydroxide gels can be dehydrated (e.g., with the utility of water-miscible non-aqueous solvents like ethanol) to form an amorphous aluminium hydroxide powder, which is readily soluble in acids. Aluminium hydroxide powder which has been heated to an elevated temperature under carefully controlled conditions is known as activated alumina and is used as a desiccant, an adsorbent, in gas purification, as a Claus catalyst support, water purification, and an adsorbent for the catalyst during the manufacture of polyethylene by the Sclairtech process.Thymol is only slightly soluble in water at neutral pH, but it is extremely soluble in alcohols and other organic solvents. It is also soluble in strongly alkaline aqueous solutions.
Uses For Aluminium Hydroxide
- For the manufacture of aluminium and aluminium compounds
- As a fire retardant
