1.01217

Ammonium sulfate

for analysis EMSURE^® ACS,ISO,Reag. Ph Eur

• Synonym(s): Mascagnite
• Linear Formula: (NH₄)₂SO₄
• CAS Number: 7783-20-2
• Molecular Weight: 132.14
• NACRES: NA.21
• EC Index Number: 231-984-1
• UNSPSC Code: 12352301
• MDL number: MFCD00003391
• Assay: ≥99.5% (alkalimetric)
• Grade: ACS reagent
• Form: solid
• Solubility: 754-764 g/L

Properties

• grade: ACS reagent
• Quality Segment: 300
• agency: reag. ISO, reag. Ph. Eur.
• vapor pressure: <1 Pa ( 25 °C)
• product line: EMSURE^®
• assay: ≥99.5% (alkalimetric)
• form: solid
• potency: 2840 mg/kg LD₅₀, oral (Rat)
• impurities: ≤0.001% Insoluble matter
• ign. residue: ≤0.005% (as sulfate)
• loss: ≤0.1% loss on drying, 105 °C
• pH: 5 (100 g/L in H₂O)
• mp: >280 °C (dec.) (lit.)
• solubility: 754-764 g/L
• density: 1.77 g/mL at 25 °C (lit.)
• bulk density: 850 kg/m³
• anion traces: chloride (Cl^-): ≤0.0003%, nitrate (NO₃^-): ≤0.001%, phosphate (PO₄^3-): ≤0.0005%
• cation traces: Al: ≤0.000075%, As: ≤0.00002%, Ca: ≤0.001%, Cd: ≤0.0001%, Cr: ≤0.000075%, Cu: ≤0.0002%, Fe: ≤0.0002%, Mg: ≤0.0005%, Pb: ≤0.0002%, Zn: ≤0.0001%, heavy metals: ≤0.0005%, heavy metals (as Pb): ≤0.0005%
• storage temp.: 2-30°C
• 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 is a high-purity chemical reagent designed for precise analytical applications. It meets the stringent standards of ACS, ISO, and Reag. Ph Eur, ensuring its suitability for high-precision laboratory work.

Analysis Note

Assay (alkalimetric): ≥ 99.5 %
Insoluble matter: ≤ 0.001 %
pH-value (5 %; water, 25 °C): 5.0 - 6.0
Chloride (Cl): ≤ 0.0003 %
Nitrate (NO₃): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.0005 %
Heavy metals (ACS): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.000075 %
As (Arsenic): ≤ 0.00002 %
Ca (Calcium): ≤ 0.001 %
Cd (Cadmium): ≤ 0.0001 %
Cr (Chromium): ≤ 0.000075 %
Cu (Copper): ≤ 0.0002 %
Fe (Iron): ≤ 0.0002 %
Mg (Magnesium): ≤ 0.0005 %
Pb (Lead): ≤ 0.0002 %
Zn (Zinc): ≤ 0.0001 %
Residue on ignition (as sulfate): ≤ 0.005 %
Loss on Drying (105 °C): ≤ 0.1 %
Corresponds to ACS,ISO,Reag. Ph Eur

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

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