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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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Scott Reiling et al.
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Pseudomonas aeruginosa causes opportunistic infections and is resistant to most antibiotics. Ongoing efforts to generate much-needed new antibiotics include targeting enzymes that are vital for P. aeruginosa but are absent in mammals. One such enzyme, type II dehydroquinase (DHQase), catalyzes
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AIP Conference Proceedings, 1538 (2013)
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Carbohydrate Polymers, 83(3), 1232-1239 (2011)
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