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Hoo-Chemtec - Model CAS 7446-70-0 - Aluminum Chloride
Aluminum chloride is a chemical compound used in water treatment as a coagulant and flocculant to help remove impurities and clarify water by aiding in the precipitation of suspended particles.
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- Product name: Aluminum chloride
- CAS Number: 7446-70-0
- EINECS NO.:231-208-1
- HS.Code: 2827.32
- Molecular Formula: AlCl3
- Purity (%): 90% to 99%
- Appearance: as a white to pale yellow crystalline solid or powder
- Shape: Flakes or Granular or Powder.
- Packing: Powder, granules, or crystals
Aluminum Chloride in Water
Upon dissolving aluminum chloride in water, hydrolysis occurs, yielding aluminum hydroxide and hydrochloric acid. This reaction is expressed as:
AlCl3 + 3H2O → Al(OH)3 + 3HCl
The resultant aluminum hydroxide may polymerize, generating distinct species. These aid coagulation and enhance flocculation during water treatment, eliminating particles and impurities. Hydrolysis yields hydrochloric acid, impacting solution acidity. Aluminum chloride’s water treatment efficacy hinges on concentration, pH, and water chemistry.
What is aluminum chloride used for?
- Water treatment (coagulant)
- Pharmaceuticals (antiperspirants, astringents)
- Catalyst in chemical reactions
- Dyeing and printing in the textile industry
- Petrochemical industry (catalyst, chlorinating agent)
- Chemical synthesis (reagent, precursor)
- Antiseptics
- Deodorants
- Process aluminum (metal, hydroxide, or oxide).
- React with chlorine gas (Cl2) at high temps.
- Cool and collect as solid.
- Purify from impurities.
- Dry and package for distribution.