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  7. Potassium hydrogen L-tartrate, 98+%

Potassium hydrogen L-tartrate, 98+%

Artikelnummer. 11478136
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Artikelnummer. 11478136 Lieferant Thermo Scientific Alfa Aesar Lieferanten-Nr. A15281.0I
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Estimated Shipment: 05-08-2026
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Beschreibung

CAS: 868-14-4 | C4H5KO6 | 188.18 g/mol

Potassium hydrogen L-tartrate is used for stabilizing egg whites, whipped cream and for anti-caking and thickening. It is utilized for the prevention of crystallization of sugar syrups and reduces the discoloration of boiled vegetables. It is an active component in baking powder. It is used in household items in association with lemon juice or white vinegar to clean metals such as brass, aluminum and copper. Furthermore, it serves as a primary reference standard for a pH buffer.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Potassium hydrogen L-tartrate is used for stabilizing egg whites, whipped cream and for anti-caking and thickening. It is utilized for the prevention of crystallization of sugar syrups and reduces the discoloration of boiled vegetables. It is an active component in baking powder. It is used in household items in association with lemon juice or white vinegar to clean metals such as brass, aluminum and copper. Furthermore, it serves as a primary reference standard for a pH buffer.

Solubility
Soluble in water and dilute mineral acid. Insoluble in alcohol.

Notes
Incompatible with strong oxidizing agents.
TRUSTED_SUSTAINABILITY

Chemische Identifikatoren

CAS 868-14-4
Molecular Formula C4H5KO6
Molecular Weight (g/mol) 188.18
MDL Number MFCD00065392,MFCD00071626,MFCD00064206
InChI Key KYKNRZGSIGMXFH-ZVGUSBNCSA-M
Synonym potassium bitartrate, l +-potassium hydrogen tartrate, potassium 3-carboxy-2,3-dihydroxypropanoate, monopotassium tartrate, potassium acid tartrate, kaliumtartrat, potassium hydrogentartrate, 1-potassium hydrogentartrate, ksc657e1t, butanedioic acid, 2,3-dihydroxy-2r,3r-, potassium salt 1:1
IUPAC Name 2,3-dihydroxybutanedioic acid;potassium
SMILES [K+].O[C@H]([C@@H](O)C([O-])=O)C(O)=O

Spezifikation

Melting Point ∼267°C (decomposition)
Density 1.954
Quantity 5000 g
Beilstein 6119985
Merck Index 14,7615
Solubility Information Soluble in water and dilute mineral acid. Insoluble in alcohol.
PubChem CID 376198361
Formula Weight 188.18
Percent Purity ≥98%
Chemical Name or Material Potassium hydrogen L-tartrate

RUO – Research Use Only

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