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CAS 868-14-4

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Potassium bitartrate

Description:
Potassium bitartrate, also known as potassium hydrogen tartrate, is a potassium salt of tartaric acid with the chemical formula KHC4H4O6. It is a white, crystalline powder that is soluble in water but less soluble in alcohol. This compound is commonly found in nature, particularly in the sediment of wine barrels, and is often referred to as cream of tartar in culinary contexts. Potassium bitartrate exhibits acidic properties, with a pH that can vary depending on concentration. It is used in various applications, including as a stabilizing agent in whipped cream, a leavening agent in baking, and in the food industry as an acidulant. Additionally, it has applications in the pharmaceutical industry and in the production of certain types of glass. The substance is generally recognized as safe for consumption, although excessive intake may lead to gastrointestinal discomfort. Its role in the wine-making process is significant, as it helps to prevent the crystallization of tartaric acid during fermentation.
Formula:C4H6O6·K
InChI:InChI=1S/C4H6O6.K/c5-1(3(7)8)2(6)4(9)10;/h1-2,5-6H,(H,7,8)(H,9,10);/t1-,2-;/m1./s1
InChI key:InChIKey=BPHVHMBNGQRCNN-ZVGUSBNCSA-N
SMILES:[C@@H]([C@H](C(O)=O)O)(C(O)=O)O.[K]
Synonyms:
  • Acid potassium tartrate
  • Butanedioate, 2,3-Dihydroxy-, Potassium Salt (1:1)
  • Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, monopotassium salt
  • Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, potassium salt (1:1)
  • Butanedioic acid, 2,3-dihydroxy-(R-(R*,R*))-, monopotassiu
  • Butanedioic acid, 2,3-dihydroxy-[R-(R*,R*)]-, monopotassium salt
  • Cream of tartar
  • Cremor tartari
  • Faccla
  • Faccula
  • See more synonyms
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