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Merck
CN

379832

Potassium sodium tartrate tetrahydrate

99.98% trace metals basis, solid

Synonym(s):

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

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About This Item

Linear Formula:
KOCOCH(OH)CH(OH)COONa · 4H2O
CAS Number:
6381-59-5
Molecular Weight:
282.22
NACRES:
NA.21
PubChem Substance ID:
57649786
UNSPSC Code:
12352100
EC Number:
206-156-8
MDL number:
MFCD00150989
Beilstein/REAXYS Number:
6113568
Assay:
99.98% trace metals basis
Form:
solid

Key Documents

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Product Name

Potassium sodium tartrate tetrahydrate, 99.98% trace metals basis

InChI key

VZOPRCCTKLAGPN-ZFJVMAEJSA-L

InChI

1S/C4H6O6.K.Na.4H2O/c5-1(3(7)8)2(6)4(9)10;;;;;;/h1-2,5-6H,(H,7,8)(H,9,10);;;4*1H2/q;2*+1;;;;/p-2/t1-,2-;;;;;;/m1....../s1

SMILES string

O.O.O.O.[Na+].[K+].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O

assay

99.98% trace metals basis

form

solid

Quality Level

100

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General description

Potassium sodium tartrate tetrahydrate, commonly called as Rochelle salt, is a ferroelectric crystal with high piezoelectric effect. It is deliquescent and water soluble with highest electromechanical coupling coefficient. It is a component of DNS (3,5-dinitrosalicylic acid) reagent, a colorimetric reagent and Fehling′s solution B which are used in the determination of reducing sugar. NMR spectra and the spin-lattice relaxation times has been reported.

Application

Potassium sodium tartrate tetrahydrate may be used in the following processes:
  • Polyphenol assay.
  • Synthesis of iron nanoparticles, whcih are used in the synthesis of amorphous carbon nanofibers.
  • As a component in the reservoir solution used to induce crystallization of proteins.
  • As a component of aqueous plating solution for electroless silver deposition on polycarbonate substrates.

Storage Class

11 - Combustible Solids

wgk

WGK 1

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKBK1533V
MKBJ8040V
MKBH2502V
MKBD5027
12730LQ

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New ferroelastic properties and the paraelectric-ferroelectric-paraelectric phase transitions of Rochelle salt.
Lim AR and Lee KS.
Journal of Applied Physics, 110(3), 033520-033520 (2011)
Synthesis of amorphous carbon nanofibers using iron nanoparticles as catalysts.
Ali M, et al.
AIP Conference Proceedings, 1538 (2013)
Chemical composition and in vitro antioxidant and antidiabetic activities of Eucalyptus camaldulensis Dehnh. essential oil.
Basak SS and Candan F.
Journal of the Iranian Chemical Society, 7(1), 216-226 (2010)
Chemical characterization of pectin from green tea (Camellia sinensis).
Ele-Ekouna JP, et al.
Carbohydrate Polymers, 83(3), 1232-1239 (2011)
Ligand-optimized electroless synthesis of silver nanotubes and their activity in the reduction of 4-nitrophenol.
Muench F, et al.
Nanotechnology, 22(41), 415602-415602 (2011)
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