L(+)-Potassium sodium tartrate tetrahydrate ≥99.0%, white crystalline powder ACS

Supplier: MP BIOMEDICALS (FKA ICN BIOMED

Synonyms: (R,R)-(+)-Tartaric acid potassium sodium salt tetrahydrateL(+)-Tartaric acid potassium sodium salt tetrahydratePotassium sodium tartrate tetrahydratePotassium sodium L(+)-tartrate tetrahydrate(+)-Potassium sodium L-tartrate tetrahydratePotassium sodium (2R,3R)-2,3-dihydroxysuccinate tetrahydrate(R,R)-(+)-Potassium sodium tartrate tetrahydrate

0215256380 0215256390 0215256392
IC15256390EA 150.51 USD
IC15256390 IC15256380 76102-746
L(+)-Potassium sodium tartrate tetrahydrate ≥99.0%, white crystalline powder ACS
L(+)-Potassium sodium tartrate tetrahydrate

Potassium sodium tartrate tetrahydrate has been used in organic synthesis to break up emulsions in aqueous workups.


  • Refractive Index: 22 ° (C=10, H₂O) (lit.)


The compound is an ingredient of Fehling’s solution and Biuret reagent and is used in detection of aldose and ketose functional group and measuring of protein concentrations. Potassium sodium tartrate tetrahydrate is a component in the technique to produce micrometer sized aerosol particles. The compound has been used as a precipitant in the crystallization and preliminary X-ray analysis of strictosidine synthase.


Caution: Research Use Only (RUO).

Formula: KOOC(CHOH)₂COONa·4H₂O
MW: 282.22 g/mol
Boiling Pt: 399.3 °C (760 mmHg)) (lit.)
Melting Pt: 70 °C (lit.)
Density: 1.05 g/mL (20 °C) (lit.)
Storage Temperature: Ambient
MDL Number: MFCD00150989
CAS Number: 6381-59-5
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Specification Test Results

Assay (non-aq titr) ≥99.0%
pH (5% aq soln) 6.0-8.5
Insoluble Matter ≤0.005%
Chloride ≤0.001%
Phosphate ≤0.002%
Sulfate ≤0.005%
Ammonium ≤0.002%
Calcium ≤0.005%
Heavy Metals ≤5ppm
Iron ≤0.001%

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