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1.01209 Supelco

Ammonium sulfate

99.9999 Suprapur®

Synonym: Mascagnite

  • CAS Number 7783-20-2

  • Linear Formula (NH4)2SO4

  • Molecular Weight 132.14

  •  MDL number MFCD00003391

  •  EC Index Number 231-984-1

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, High Purity Reagents for Trace Analysis, High Purity Salts for Trace Analysis, Reagents for Inorganic Trace Analysis,
Quality Level   100
grade   for inorganic trace analysis
vapor pressure   <1 Pa ( 25 °C)
assay   99.9999%
potency   2840 mg/kg LD50, oral (Rat)
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
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
storage conditions   Store at +5°C to +30°C.

Description

Analysis Note

Purity (metallic): ≥ 99.9999 %
Assay (acidimetric): ≥ 99.5 %
Chloride (Cl): ≤ 3 ppm
Nitrate (NO₃): ≤ 10 ppm
Phosphate (PO₄): ≤ 5 ppm
Ag (Silver): ≤ 0.010 ppm
Al (Aluminium): ≤ 0.050 ppm
Ba (Barium): ≤ 0.050 ppm
Be (Beryllium): ≤ 0.010 ppm
Bi (Bismuth): ≤ 0.050 ppm
Ca (Calcium): ≤ 0.100 ppm
Cd (Cadmium): ≤ 0.005 ppm
Co (Cobalt): ≤ 0.005 ppm
Cr (Chromium): ≤ 0.010 ppm
Cu (Copper): ≤ 0.005 ppm
Fe (Iron): ≤ 0.050 ppm
Ga (Gallium): ≤ 0.050 ppm
In (Indium): ≤ 0.050 ppm
K (Potassium): ≤ 0.100 ppm
Li (Lithium): ≤ 0.050 ppm
Mg (Magnesium): ≤ 0.010 ppm
Mn (Manganese): ≤ 0.010 ppm
Na (Sodium): ≤ 0.100 ppm
Ni (Nickel): ≤ 0.010 ppm
Pb (Lead): ≤ 0.005 ppm
Sr (Strontium): ≤ 0.010 ppm
Tl (Thallium): ≤ 0.005 ppm
Zn (Zinc): ≤ 0.010 ppm

Legal Information

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

Safety & Documentation

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