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04248 Sigma-Aldrich

Potassium phosphate dibasic

puriss., ≥99%

DOWNLOAD MSDS (PDF)

Synonym: Dipotassium hydrogenphosphate, Dipotassium phosphate, sec.-Potassium phosphate

  • CAS Number 7758-11-4

  • Linear Formula K2HPO4

  • Molecular Weight 174.18

  •  EC Number 231-834-5

  •  MDL number MFCD00011383

  •  PubChem Substance ID 24845702

Potassium phosphate dibasic puriss., ≥99%
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Properties

Related Categories Chemical Synthesis, Inorganic Salts, Potassium, Synthetic Reagents
grade   puriss.
assay   ≥99%
impurities   ≤0.0005% heavy metals (as Pb)
  ≤0.01% water insolubles
loss   ≤1% loss on drying, 130 °C
pH   8.7-9.4 (20 °C, 1%)
anion traces   chloride (Cl-): ≤20 mg/kg
  fluoride (F-): ≤10 mg/kg
  sulfate (SO42-): ≤100 mg/kg
cation traces   As: ≤1 mg/kg
  Cd: ≤1 mg/kg
  Fe: ≤10 mg/kg
  Hg: ≤1 mg/kg
  Na: ≤1%
  Pb: ≤4 mg/kg
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