A2939

Ammonium sulfate

BioXtra, ≥99.0%

• 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: 12161700
• eCl@ss: 38030408
• PubChem Substance ID: 24890708
• NACRES: NA.25

Properties

• product line: BioXtra
• Quality Level: 200
• assay: ≥99.0%
• form: powder or crystals
• impurities: Insoluble matter, passes filter test
• ign. residue: <0.01% (as SO₄)
• loss: ≤1.0% loss on drying, 110°C
• pH: 5.0-6.0 (20 °C, 1 M in H₂O)
• mp: >280 °C (dec.) (lit.)
• solubility: H₂O: 1 M, clear, colorless
• density: 1.77 g/mL at 25 °C (lit.)
• anion traces: chloride (Cl^-): ≤0.001%; nitrate (NO₃^-): ≤0.001%; phosphate (PO₄^3-): ≤0.0005%
• cation traces: Al: ≤0.0005%; As: ≤0.0001%; Ba: ≤0.0005%; Bi: ≤0.0005%; Ca: ≤0.001%; Cd: ≤0.0001%; Co: ≤0.0005%; Cr: ≤0.0005%; Cu: ≤0.0002%; Fe: ≤0.0002%; K: ≤0.005%; Li: ≤0.0005%; Mg: ≤0.0005%; Mn: ≤0.0005%; Mo: ≤0.0005%; Na: ≤0.005%; Ni: ≤0.0005%; Pb: ≤0.0002%; Sr: ≤0.0005%; Zn: ≤0.0001%
• absorption: ≤0.030 at 280 in H₂O at 1 M; ≤0.037 at 260 in H₂O at 1 M
• 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

Application

Ammonium sulfate has been used as an additive in salting-out procedure to prepare the g-globulin fraction. It is also used as a component in synthetic minimal dextrose (SD) liquid medium.

Biochem/physiol Actions

Ammonium sulfate ((NH₄)₂SO₄) is mainly used as a soil fertilizer. It is also used as a wood preservative. This inorganic salt plays a role in flame retardant chemicals.

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)