Aluminium hydroxide, gel
Buy Aluminium hydroxide, gel (CAS 21645-51-2) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 250 g.
About Aluminium hydroxide, gel
Researchers and plant chemists source Aluminium hydroxide, gel from Zemixal for routine and specialised work. For your records (47–60%), the material is defined by CAS 21645-51-2, formula AlH3O3 and molar mass 78 g/mol. It is described as white powder.
Common uses in the lab and plant
- Catalysis
- Water treatment
Storage and safety notes
Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.
Available as 250 g, 500 g, 5 kg and 20 kg. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.
Specifications and identifiers
| Product name | Aluminium hydroxide, gel |
|---|---|
| Catalogue number | ZX-014168 |
| CAS number | 21645-51-2 |
| IUPAC name | aluminum trihydroxide |
| Molecular formula | AlH3O3 |
| Molar mass | 78 g/mol |
| Exact mass | 77.9898 |
| Purity / assay | 47–60% |
| Physical form | Powder |
| Appearance | White powder |
| H-bond donors / acceptors | 3 / 3 |
| Topological polar surface area | 3 Ų |
| HS code | 28183000 |
| InChIKey | WNROFYMDJYEPJX-UHFFFAOYSA-K |
| SMILES | [OH-].[OH-].[OH-].[Al+3] |
| PubChem CID | 10176082 |
| Synonyms | Hydrated alumina, Dried aluminium hydroxide, Aluminum hydroxide, dried, Aluminium hydroxide, dried, Aluminum hydroxide gel, dried, Aluminium hydroxide gel, dried, Hydroxyde d' aluminium, aluminium(III) hydroxide, Di-mu-hydroxytetrahydroxydialuminum, Alum Adjuvant, ALterna GEL, Alumane Trihydrate |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 250 g | Quoted on request | |
| 500 g | Quoted on request | |
| 5 kg | Quoted on request | |
| 20 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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