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31434 Sigma-Aldrich

Sodium chloride

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.8%

DOWNLOAD MSDS (PDF)

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 24858953

Sodium chloride puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.8%
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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Essential Chemicals, Inorganic Salts, Solutions and Reagents,
grade   ACS reagent, reag. ISO, reag. Ph. Eur.
  puriss. p.a.
assay   ≥99.8%
impurities   acidity or alkalinity, complies
  ≤0.0001% potassium hexacyanoferrate(II)
  ≤0.0003% heavy metals (as Pb)
  ≤0.001% total nitrogen (N)
  ≤0.005% free acid (as HCl)
  ≤0.005% free alkali (as NaOH)
  ≤0.005% in water insoluble matters
  ≤0.01% Mg, alkaline earth metals (as Ca)
loss   ≤0.2% loss on drying, 130 °C
pH   5-8 (20 °C, 5%)
mp   801 °C(lit.)
anion traces   bromide (Br-): ≤50 mg/kg
  chlorate, nitrate (as NO3-): ≤30 mg/kg
  iodide (I-): ≤10 mg/kg
  phosphate (PO43-): ≤5 mg/kg
  sulfate (SO42-): ≤10 mg/kg
cation traces   Al: ≤0.2 mg/kg
  As: ≤0.5 mg/kg
  Ba: ≤10 mg/kg
  Ca: ≤20 mg/kg
  Fe: ≤1 mg/kg
  K: ≤50 mg/kg
  Mg: ≤5 mg/kg
suitability   complies for appearance of solution
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