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868-14-4 - Potassium hydrogen L-tartrate, 98+% - L-Tartaric acid monopotassium salt - Potassium bitartrate - A15281 - Alfa Aesar

A15281 Potassium hydrogen L-tartrate, 98+%

CAS Number
868-14-4
Synonyms
L-Tartaric acid monopotassium salt
Potassium bitartrate

Size Price ($) Quantity Availability
250g 27.19
1000g 79.56
5000g 275.20
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Potassium hydrogen L-tartrate, 98+%

MDL
MFCD00065392
EINECS
212-769-1

Chemical Properties

Formula
C4H5KO6
Formula Weight
188.18
Melting point
ca 267° dec.
Density
1.954
Solubility
Soluble in water and dilute mineral acid. Insoluble in alcohol.

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.

Notes

Incompatible with strong oxidizing agents.

Literature References

Barril, C.; Clark, A. C.; Scollary, G. R. Chemistry of ascorbic acid and sulfur dioxide as an antioxidant system relevant to white wine. Anal. Chim. Acta 2012, 732, 186-193.

Clark, A. C.; Dias, D. A.; Smith, T. A.; Ghiggino, K. P.; Scollary, G. R. Iron(III) tartrate as a potential precursor of light-induced oxidative degradation of white wine: Studies in a model wine system. J. Agric. Food. Chem. 2011, 59 (8), 3575-3581.

Other References

Merck
14,7615
Beilstein
6119985
Harmonized Tariff Code
2918.13
TSCA
Yes
RTECS
WW8223000

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