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31119 Sigma-Aldrich

Ammonium sulfate

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99%

Synonym: Mascagnite

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Properties

Related Categories A-B, Puriss p.a. ACS, Ammonium Salts, Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography,
Quality Level   200
grade   ACS reagent
Agency/Method   reag. ISO
  reag. Ph. Eur.
grade   puriss. p.a.
assay   ≥99%
form   crystals
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 (PO43-): ≤5 mg/kg
cation traces   As: ≤0.2 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤1 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤2 mg/kg
  Fe: ≤2 mg/kg
  K: ≤50 mg/kg
  Mg: ≤2 mg/kg
  Mn: ≤5 mg/kg
  Na: ≤20 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤2 mg/kg
  Zn: ≤1 mg/kg
storage temp.   room temp
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 & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
RTECS 
BS4500000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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