All Photos(3)
Synonym(s):
KHT, L(+)-Tartaric acid monopotassium salt, Potassium bitartrate, Potassium hydrogen L-tartrate, Potassium hydrogen tartrate, Tartaric acid monopotassium salt
Linear Formula:
KO2CCH(OH)CH(OH)CO2H
CAS Number:
Molecular Weight:
188.18
Beilstein:
6119985
EC Number:
MDL number:
UNSPSC Code:
51113400
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
99%
form
powder
optical activity
[α]20/D +10°, c = 2 in 10% HCl
density
1.954 g/mL at 25 °C (lit.)
SMILES string
[K+].O[C@H]([C@@H](O)C([O-])=O)C(O)=O
InChI
1S/C4H6O6.K/c5-1(3(7)8)2(6)4(9)10;/h1-2,5-6H,(H,7,8)(H,9,10);/q;+1/p-1/t1-,2-;/m1./s1
InChI key
KYKNRZGSIGMXFH-ZVGUSBNCSA-M
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General description
Potassium L-tartrate is found naturally in grapes. Its removal is necessary during wine making as it can precipitate, which is undesirable.
Application
Potassium L-tartrate monobasic may be used as a reductant during the synthesis of noble metal nanoparticles in the presence of linear polymers as protective agents.
WGK
WGK 1
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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Wine tartaric stabilization by electrodialysis and its assessment by the saturation temperature.
Goncalves F, et al.
Journal of Food Engineering, 59(2), 229-235 (2003)
Preparation of gold, platinum, palladium and silver nanoparticles by the reduction of their salts with a weak reductant-potassium bitartrate.
Tan Y, et al.
Journal of Materials Chemistry, 13(5), 1069-1075 (2003)
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