Aluminum Chlorohydrate for Water Treatment (ACH)

Model NO.: 1. white powder 46-48% 2. liquit 23-24% Specification: GB; ISO HS Code: 2827320000 Trademark: FST Origin: China Chemical Formula: Al2(OH)5Cl2H2O
Molecular weight: 210.48g/mol
CAS: [12042-91-0]
HS NO.: 2827320000
Physical and chemical properties:
Inorganic macromolecular compound; White powder, , its solution shows colorless or tawny transparent liquid and specific gravity is 1.33-1.35g/ml (20° C), easily dissolved in water, with corrosion.

Introduction:
Aluminium chlorohydrate is a group of specific aluminium salts having the general formula AlnCl(3n-m)(OH)m. It is used in deodorants and antiperspirants and as a coagulant in water purification.

In water purification, this compound is preferred in some cases because of its high charge, which makes it more effective at destabilizing and removing suspended materials than other aluminium salts such as aluminium sulfate, aluminium chloride and various forms of Polyaluminium Chloride and polyaluminium chlorisulfate, in which the aluminium structure results in a lower net charge than aluminium chlorohydrate. Further, the high degree of neutralization of the HCl results in minimal impact on treated water pH when compared to other aluminium and iron salts.

Uses
Aluminium chlorohydrate is one of the most common active ingredients in commercial antiperspirants. The variation most commonly used in deodorants and antiperspirants is Al2Cl(OH)5.
Aluminium chlorohydrate is also used as a flocculant in water and waste Water Treatment processes to remove dissolved organic matter and colloidal particles present in suspension.

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