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60413 Sigma

Potassium sodium tartrate tetrahydrate

BioUltra, ≥99.5% (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 24881874

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Properties

Related Categories Alphabetical, BioUltra Buffers, Biochemicals and Reagents, Biological Buffers, Chelators,
InChI Key   VZOPRCCTKLAGPN-ZFJVMAEJSA-L
product line   BioUltra
assay   ≥99.5% (NT)
optical activity   [α]20/D +22±1°, c = 1% in H2O
impurities   insoluble matter, passes filter test
  ≤0.002% total nitrogen (N)
pH   7.0-8.5 (25 °C, 1 M in H2O)
solubility   H2O: soluble1 M at 20 °C, clear, colorless
anion traces   chloride (Cl-): ≤5 mg/kg
  phosphate (PO43-): ≤10 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
λ   1 M in H2O
UV absorption   λ: 260 nm Amax: 0.026
  λ: 280 nm Amax: 0.022

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Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3
Protocols & Articles

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