Potassium tartrate

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Structural formula
K + .svgTartrat.svgK + .svg
General
Surname Potassium tartrate
other names

E 336

Molecular formula K 2 C 4 H 4 O 6
Brief description

white crystalline solid

External identifiers / databases
CAS number
  • 147-78-4 (dipotassium (2 RS , 3 RS ) tartrate anhydrate)
  • 921-53-9 (dipotassium (2 R , 3 R ) tartrate anhydrate)
  • 6100-19-2 (dipotassium (2 R , 3 R ) tartrate hemihydrate)
EC number 205-697-7
ECHA InfoCard 100.005.180
PubChem 8984
Wikidata Q65770886
properties
Molar mass 226.27 g mol −1
Physical state

firmly

solubility

Easily soluble in water (235 g l −1 at 20 ° C)

safety instructions
GHS labeling of hazardous substances
no GHS pictograms
H and P phrases H: no H-phrases
P: no P-phrases
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Potassium tartrate is the name for the potassium salts of tartaric acid . It is also approved in the EU as a food additive with the number E 336 for organic products and can be produced using genetic engineering . It is used as a salt substitute , acidifier , acid regulator and raising agent . It has a laxative effect.

See also

Individual evidence

  1. ↑ a b c Data sheet Potassium tartrate dibasic hemihydrate from Sigma-Aldrich , accessed on May 26, 2011 ( PDF ).