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Aluminium Potassium Sulfate 12-hydrate for analysis, ACS

Potassium Alum, Potassium Aluminium Sulphate

Assay (Compl.): 98.0-102.0%
Code
131103
CAS
7784-24-9
Molecular Formula
AlK(SO4)2.12H2O
Molar mass
474.39 g/mol
Melting Point:
92 °C
Solubility:
water 110 g/l at 20 °C
Physical Description:
solid
Product Code:
131103
Product Name:
Aluminium Potassium Sulfate 12-hydrate for analysis, ACS
Quality Name:
for analysis, ACS
Specifications:
Assay (Compl.): 98.0-102.0%
pH of 5% solution: ≥3.0

Maximum limit of impurities
Insoluble matter in H2O: 0.005 %
Chloride (Cl): 0.0005%
Ammonium (NH4): 0.005%
Phosphate (PO4): 0.0005 %
Heavy metals (as Pb): 0.001%
As: 0.0002 %
Cd: 0.0005 %
Co: 0.0005 %
Cr: 0.0005 %
Cu: 0.0005 %
Fe: 0.0005 %
Mn: 0.0005 %
Na: 0.02 %
Ni: 0.0005 %
Pb: 0.0005 %
Zn: 0.0005 %
WGK:
1
Storage:
Room Temperature.
Master Name:
Aluminium Potassium Sulphate 12-hydrate
Synonyms Long Text:
Potassium Alum, Potassium Aluminium Sulphate
EINECS:
233-141-3
CS:
28333000
Download TDS file for complete specifications