Chemical of China

Polyaluminium Chloride

Other names: Poly aluminium chloride; polyaluminum chloride; PAC
CAS number: 1327-41-9

Molecular formula: [Al2(OH)nCl6-n]m, m≤10, n≤5

Characteristics:
Polyaluminium chloride features low content of impurities, high molecular weight; it is easily soluble in water; strongly absorptive to suspension in water. It has two types: drinking water grade and industrial grade, liquid product is light yellow and transparent, solid product is light yellow flake or powder.

Specification:

Item Drinking water grade Industrial grade
Al2O3, % 10.0 28.0-30.0 10.0 27.0-30.0
Basicity, % 40 ~ 85 40 ~ 90 40 ~ 90 40 ~ 90
Density( 20 ), g/cm3, 1.15   1.15  
Water insolubles, % 0.5 1. 0 0.5 1. 5
pH(1% water solution) 3.5 ~ 5.0 3.5 ~ 5.0 3.5 ~ 5.0 3.5 ~ 5.0
SO42-, % 3.5 9.8    
N, % 0.01  
As , % 0.0002
Pb, % 0.001
Cd, % 0.0002
Hg, % 0.00001
Cr+6, % 0.0005

Packing:
In 25kg woven bag lined with double-layer plastic bag.

Use:
1. Suitable for drinking water and various industrial water, as well as waste water from paper making, textiles, dyes, printing & dyeing, oil field, pharmacy, leathers etc.
2. Dehydrating flocculant of sludge; emulsion breaker.
3. As sizing agent in paper making, synthetic fiber auxiliary, accelerated agent of concrete etc.

Storage:
Polyaluminium chloride is stored in airy place, avoid solarization, rain, impact, leakage, or pollution of toxic substances; liquid products should be put in acid-resistant containers; temperature no lower than -10 °C.

MSDS: Available when required.

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