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60410 Sigma-Aldrich

Potassium sodium tartrate tetrahydrate

purum p.a., crystallized, ≥99.0% (NT)

Synonym: L(+)-Tartaric acid potassium Sodium salt, Rochelle salt, Seignette salt

  • CAS Number 6381-59-5

  • Linear Formula KOCOCH(OH)CH(OH)COONa · 4H2O

  • Molecular Weight 282.22

  •  Beilstein Registry Number 6113568

  •  EC Number 206-156-8

  •  MDL number MFCD00150989

  •  PubChem Substance ID 329758957

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Properties

Related Categories Biochemicals and Reagents, Chelators, Essential Chemicals, Potassium Salts, Research Essentials,
InChI Key   VZOPRCCTKLAGPN-ZFJVMAEJSA-L
grade   purum p.a.
assay   ≥99.0% (NT)
optical activity   [α]20/D +22±1°, c = 1% in H2O
quality   crystallized
pH   7.0-8.5 (25 °C, 50 mg/mL in H2O)
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Ca: ≤50 mg/kg
  Cd: ≤50 mg/kg
  Co: ≤50 mg/kg
  Cu: ≤50 mg/kg
  Fe: ≤50 mg/kg
  Ni: ≤50 mg/kg
  Pb: ≤50 mg/kg
  Zn: ≤50 mg/kg

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RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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32312 Potassium sodium tartrate tetrahydrate, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5% (perchloric acid titration)

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