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Merck
CN

243531

Potassium L-tartrate monobasic

99%

Synonym(s):

KHT, L(+)-Tartaric acid monopotassium salt, Potassium bitartrate, Potassium hydrogen L-tartrate, Potassium hydrogen tartrate, Tartaric acid monopotassium salt

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About This Item

Linear Formula:
KO2CCH(OH)CH(OH)CO2H
CAS Number:
Molecular Weight:
188.18
UNSPSC Code:
51113400
NACRES:
NA.22
PubChem Substance ID:
EC Number:
212-769-1
Beilstein/REAXYS Number:
6119985
MDL number:
Assay:
99%
Form:
powder
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Quality Segment

assay

99%

form

powder

optical activity

[α]20/D +10°, c = 2 in 10% HCl

density

1.954 g/mL at 25 °C (lit.)

functional group

carboxylic acid, hydroxyl

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

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.


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Storage Class

11 - Combustible Solids

WGK

WGK 1

Flash Point (°F)

410.0 °F

Flash Point (°C)

210 °C

PPE (personal protective equipment)

Eyeshields, Gloves, type N95 (US)



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