Potassium tartrate

E 336

• 921-53-9
• 6100-19-2 ( hemihydrate )

A white crystalline solid

Fixed

Slightly soluble in water ( 235 g · l-1 at 20 ° C)

Template: Infobox chemical / molecular formula search available

Tartrate is the name for potassium salts of tartaric acid. It is 336 also approved for organic products in the EU as a food additive under the E number and can be produced by genetic engineering. It is used as a salt substitute, acidulant, acidity regulator and leavening agent. It has a laxative effect.