12625

Aluminum potassium sulfate

puriss., anhydrous, calcined, ≥98% (calc with ref. to anhyd. subst.), powder

• Synonym(s): Potassium alum, Potassium aluminum sulfate
• Linear Formula: KAl(SO₄)₂
• CAS Number: 10043-67-1
• Molecular Weight: 258.21
• EC Number: 233-141-3
• MDL number: MFCD00003428
• UNSPSC Code: 12352302
• PubChem Substance ID: 329749778

Properties

• grade: puriss.
• assay: ≥98% (calc with ref. to anhyd. subst.)
• form: powder
• quality: calcined
• impurities: ≤0.005% heavy metals (as Pb); ≤0.05% ammonium (NH₄)
• loss: ≤5% loss on drying, 250 °C
• cation traces: As: ≤5 mg/kg; Fe: ≤100 mg/kg
• SMILES string: [Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O
• InChI: 1S/Al.K.2H2O4S/c;;2*1-5(2,3)4/h;;2*(H2,1,2,3,4)/q+3;+1;;/p-4
• InChI key: GRLPQNLYRHEGIJ-UHFFFAOYSA-J

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)