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25506 Sigma-Aldrich

Potassium L-tartrate monobasic

puriss., meets analytical specification of Ph.Eur., BP, FCC, 99.5-100.5% (related to dried substance)

Synonym: L-(+)-Tartaric acid monopotassium salt, Potassium hydrogen L-tartrate

  • CAS Number 868-14-4

  • Empirical Formula (Hill Notation) C4H5KO6

  • Molecular Weight 188.18

  •  Beilstein Registry Number 6119985

  •  EC Number 212-769-1

  •  MDL number MFCD00065392

  •  PubChem Substance ID 57648124

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Properties

Related Categories Analytical/Chromatography, Asymmetric Synthesis, Carboxylic Acid Salts, Chemical Synthesis, Chiral Building Blocks,
InChI Key   KYKNRZGSIGMXFH-ZVGUSBNCSA-M
grade   puriss.
assay   99.5-100.5% (related to dried substance)
optical activity   [α]20/D +8.0 to +9.2°
quality   meets analytical specification of Ph.Eur., BP, FCC
impurities   residual solvents, in accordance
  ≤0.001% heavy metals (as Pb)
  ≤0.05% oxalic acid
loss   ≤0.2% loss on drying, 105 °C
anion traces   chloride (Cl-): ≤500 mg/kg
  sulfate (SO42-): ≤100 mg/kg
cation traces   As: ≤1 mg/kg
  Pb: ≤10 mg/kg

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Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
Flash Point(F) 
410 °F
Flash Point(C) 
210 °C
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