A7210

Aluminum potassium sulfate dodecahydrate

BioXtra, ≥98.0%

• Synonym(s): Alum, Potassium alum, Potassium aluminum sulfate dodecahydrate
• Linear Formula: AlK(SO₄)₂ · 12H₂O
• CAS Number: 7784-24-9
• Molecular Weight: 474.39
• EC Number: 233-141-3
• MDL number: MFCD00149143
• UNSPSC Code: 12161700
• PubChem Substance ID: 24891189
• NACRES: NA.25

Properties

• product line: BioXtra
• Quality Level: 200
• Assay: ≥98.0%
• form: powder
• impurities: ≤0.0005% Phosphorus (P); ≤0.005% Insoluble matter
• mp: 92 °C (lit.)
• solubility: H₂O: 0.5 M, clear, colorless
• density: 1.757 g/mL at 25 °C (lit.)
• anion traces: chloride (Cl^-): ≤0.0005%
• cation traces: Ca: ≤0.0005%; Cu: ≤0.0005%; Fe: ≤0.001%; Mg: ≤0.005%; NH₄⁺: ≤0.005%; Na: ≤0.02%; Pb: ≤0.001%; Zn: ≤0.0005%
• SMILES string: O.O.O.O.O.O.O.O.O.O.O.O.[Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O
• InChI: 1S/Al.K.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;;2*(H2,1,2,3,4);12*1H2/q+3;+1;;;;;;;;;;;;;;/p-4
• InChI key: GNHOJBNSNUXZQA-UHFFFAOYSA-J

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves