11225

Ammonium sulfate

puriss., ≥99%

• Synonym(s): Mascagnite
• Linear Formula: (NH₄)₂SO₄
• CAS Number: 7783-20-2
• Molecular Weight: 132.14
• EC Number: 231-984-1
• MDL number: MFCD00003391
• UNSPSC Code: 12352300
• PubChem Substance ID: 57646899

Properties

• grade: puriss.
• Assay: ≥99%
• impurities: ≤0.001% heavy metals (as Pb)
• pH: 5-6 (20 °C, 5%)
• mp: >280 °C (dec.) (lit.)
• density: 1.77 g/mL at 25 °C (lit.)
• anion traces: chloride (Cl^-): ≤20 mg/kg
• cation traces: As: ≤5 mg/kg; Ca: ≤50 mg/kg; Fe: ≤10 mg/kg; K: ≤50 mg/kg; Mg: ≤50 mg/kg; Na: ≤50 mg/kg; Se: ≤30 mg/kg
• SMILES string: N.N.OS(O)(=O)=O
• InChI: 1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
• InChI key: BFNBIHQBYMNNAN-UHFFFAOYSA-N

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves