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71382 Sigma-Aldrich

Sodium chloride

puriss. p.a., ≥99.5% (AT), crystalline (fine)

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Synonym: Halite

  • CAS Number 7647-14-5

  • Linear Formula NaCl

  • Molecular Weight 58.44

  •  Beilstein Registry Number 3534976

  •  EC Number 231-598-3

  •  MDL number MFCD00003477

  •  PubChem Substance ID 24886183

Sodium chloride puriss. p.a., ≥99.5% (AT), crystalline (fine)
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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Essential Chemicals, Inorganic Salts, Solutions and Reagents,
grade   puriss. p.a.
assay   ≥99.5% (AT)
form   crystalline (fine)
impurities   ≤0.001% total nitrogen (N)
  ~0.0002% [Fe(CN)6]4,-
pH   5.0-8.0 (25 °C, 50 mg/mL in H2O)
mp   801 °C(lit.)
anion traces   bromide (Br-): ≤50 mg/kg
  iodide (I-): ≤10 mg/kg
  phosphate (PO43-): ≤5 mg/kg
  sulfate (SO42-): ≤100 mg/kg
cation traces   As: ≤0.1 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤50 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg
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