31119-M

Ammonium sulfate

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥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
• eCl@ss: 38030408
• PubChem Substance ID: 329753657
• NACRES: NA.21

Properties

• grade: ACS reagent; puriss. p.a.
• Quality Level: 100
• agency: USP/NF; reag. ISO; reag. Ph. Eur.
• assay: ≥99%
• form: crystalline
• impurities: ≤0.005% in water insoluble matters; ≤5 ppm heavy metals (by ICP-OES)
• ign. residue: ≤0.005% (as SO₄)
• loss: ≤0.1% loss on drying, 110 °C
• pH: 5-6 (25 °C, 5%)
• mp: >280 °C (dec.) (lit.)
• density: 1.77 g/mL at 25 °C (lit.)
• anion traces: chloride (Cl^-): ≤3 mg/kg; nitrate (NO₃^-): ≤10 mg/kg; phosphate (PO₄^3-): ≤5 mg/kg
• cation traces: As: ≤0.00002%; Ca: ≤0.001%; Cd: ≤0.0001%; Co: ≤0.0005%; Cr: ≤0.0005%; Cu: ≤0.0002%; Fe: ≤2 mg/kg; K: ≤0.005%; Mg: ≤0.0002%; Mn: ≤0.0005%; Na: ≤0.002%; Ni: ≤0.0005%; Pb: ≤0.0002%; Zn: ≤0.0001%
• 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

Description

General description

Ammonium sulfate is an inorganic salt that can be produced from the direct neutralization of sulfuric acid with ammonia.

Application

Ammonium sulfate can be used as a nucleating agent in the preparation of fatty acid microcapsules.

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable