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Potassium aluminium sulphate dodecahydrate, 1 kg

≥99 %, Ph.Eur.
Pack Qty.
Alum, Potassium alum, Aluminium potassium sulphate
Empirical formula KAI(SO4)2 · 12 H2O
Molar mass (M) 474,39 g/mol
Density (D) 1,75 g/cm³
Melting point (mp) 92,5 °C
CAS No. [7784-24-9]
EG-Nr. 233-141-3

Guarantee analysis

CHF39.10/Pack Qty. 

excl. VAT. | 1 kg per Pack Qty.

Art. No. CN78.2

Available at short notice
Free of shipping costs from 200 CHF
from 6 Pack Qty. CHF37.14/Pack Qty.
from 24 Pack Qty. CHF35.19/Pack Qty.
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Product details

Potassium aluminium sulphate dodecahydrate ≥99 %, Ph.Eur.

Technical Information
Checked according to pharmacopoeia Ph.Eur. 
Potassium aluminium sulphate dodecahydrate
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Order No. Pack Qty. Pack. Price Quantity
CN78.1 500 g plastic CHF27.30
CN78.2 1 kg plastic CHF39.10
CN78.3 5 kg plastic CHF139.90
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Certificates of Analysis

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The following analysis certificates have been found:

Guarantee analysis

Appearancewhite fein crystals  
Assay99,0-100,5 %  
Loss on drying43-46 %  
Appearance of solutioncomplies  
pH-value (10 % in H2O)3,0-3,5  
Ammonium (NH4)≤0,2 %  
Iron (Fe)≤0,01 %  
Heavy metals (as Pb)≤0,002 %  
Arsenic (As)≤0,0003 %  

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