Potassium sodium tartrate tetrahydrate Used in protein crystallization, organic synthesis, making μm aerosol particles.

Potassium sodium tartrate tetrahydrate (CAS 6381-59-5)

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Synonym: Rochelle salt; Seignette salt; L(+)-Tartaric acid potassium sodium salt
Application: Used in protein crystallization, organic synthesis, making μm aerosol particles.
CAS Number: 6381-59-5
Molecular Weight: 282.22
Molecular Formula: C4H4O6•K•Na•4H2O
* Refer to Certificate of Analysis for lot specific data (including water content).
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Potassium sodium tartrate tetrahydrate has been used in organic synthesis to break up emulsions in aqueous workups. The compound is an ingredient of Fehling's solution and of the reagent Biuret (sc-239384). Fehling's solution tests for aldose and ketose functional groups. Biuret reagent measures 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.


References

1. Abadía-Fenoll, F., et al. 1985. J Microsc. 137: 225-232. PMID: 2582134
2. Almo, S.C., et al. 1994. J. Mol. Biol. 236: 950-952. PMID: 8114104
3. Johansson, P., et al. 2003. Acta Crystallogr. D Biol. Crystallogr. 59: 535-537. PMID: 12595718
4. Koepke, J., et al. 2005. Acta Crystallogr. D Biol. Crystallogr. 61: 690-693. PMID: 15930621
5. Lee, Y.C., et al. 2008. Chemosphere. 73: 760-767. PMID: 18682310

Physical State :
Solid
Solubility :
Soluble in water (630 mg/ml at 20° C). Insoluble in alcohol.
Storage :
Store at room temperature
Melting Point :
80° C (lit.)
Boiling Point :
220° C (dec.)
Density :
1.77 g/cm3 at 20° C
Optical Activity :
α20/D +21°, c = 1 in water; α20/D +22°±3°, c = 10 in water
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
WGK Germany :
3
RTECS :
EJ9891200
PubChem CID :
165453
Merck Index :
14,7670
MDL Number :
MFCD00150989
EC Number :
206-156-8
Beilstein Registry :
6113568
SMILES :
C(C(C(=O)[O-])O)(C(=O)[O-])O.O.O.O.O.[Na+].[K+]

Download SDS (MSDS)

Certificate of Analysis

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