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25114 Sigma-Aldrich

Sodium citrate tribasic hydrate

ReagentPlus®, ≥99%

Synonym: Citric acid trisodium salt, Trisodium citrate hydrate

  • CAS Number 6858-44-2

  • Linear Formula HOC(COONa)(CH2COONa)2 · aq

  • Molecular Weight 258.07 (anhydrous basis)

  •  Beilstein Registry Number 3819251

  •  EC Number 200-675-3

  •  MDL number MFCD00150032

  •  PubChem Substance ID 57648114

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Essential Chemicals, Puriss,
grade   ReagentPlus®
InChI Key   PKIDNTKRVKSLDB-UHFFFAOYSA-K
assay   ≥99%
impurities   ≤0.001% heavy metals (as Pb)
  ≤0.04% free alkali (as NaOH)
  ≤0.06% free acid (as C6H8O7)
anion traces   chloride (Cl-): ≤20 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   As: ≤2 mg/kg
  Fe: ≤10 mg/kg

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