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LC298 Aluminium potassium sulfate dodecahydrate

suitable for use as excipient exp Ph Eur,BP,USP

 

Order number Packaging Quantity Price €
AC27298 Double PE Sack 25 kg inquire

 

Product information
Grade Ph Eur,BP,USP
Synonyms Potassium aluminium sulfate, Alum potassium, Potassium alum
Hill Formula AlKO8S2 * 12 H2O
Chemical formula KAl(SO4)2 * 12 H2O
HS Code 2833 30 00
EC number 233-141-3
Molar mass 474.39 g/mol
CAS number 7784-24-9

 

Chemical and physical data

Solubility 139 g/l (20 °C)
Melting point 92.5 °C
Molar mass 474.39 g/mol
Density 1.75 g/cm3 (20 °C)
Bulk density 900 kg/m3
pH value 3.0 – 3.5 (100 g/l, H2O, 20 °C)

 

Safety information
RTECS WS5690000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 14
Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

 

Safety information
Assay
– complexometric
99.0 – 100.5 %
– complexometric; calculated on dried substance 99.0 – 100.5 %
Identity passes test
Appearance of solution passes test
pH-value (10 %; in water) 3.0 – 3.5
Heavy metals (as Pb) ≤ 0.001 %
Fe (Iron) ≤ 0.01 %
NH4 (Ammonium) ≤ 0.2 %
Residual solvents (Ph.Eur./USP/ICH) excluded by manufacturing process
Loss on drying (400 °C) 43.0 – 46.0 %