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Substance Name: Potassium bitartrate [USAN:USP]
RN: 868-14-4
UNII: NPT6P8P3UU
InChIKey: KYKNRZGSIGMXFH-ZVGUSBNCSA-M

Molecular Formulas

  • C4-H5-K-O6
  • C4-H5-O6.K
  • C4-H6-O6.K

Molecular Weight

  • 188.176
 
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Names and Synonyms

Name of Substance

  • Potassium acid tartrate
  • Potassium bitartrate
  • Potassium bitartrate [USAN:USP]

Synonyms

  • Acid potassium tartrate
  • Butanedioic acid 2,3-dihydroxy-, (R-(R*,R*))-, monopotassium salt
  • Butanedioic acid, 2,3-dihydroxy-, (R-(R*,R*))-, monopotassium salt
  • CCRIS 7329
  • Cream of tartar
  • Cremor tartari
  • EC 212-769-1
  • EINECS 212-769-1
  • Faccla
  • Faccula
  • Faecla
  • Faecula
  • HSDB 1264
  • Monopotassium 2,3-dihydroxybutanedioate, (R-(R*,R*))-
  • Monopotassium tartrate
  • NSC 155080
  • Potassium acid tartrate
  • Potassium bitartrate
  • Potassium hydrogen tartrate
  • Potassium L-bitartrate
  • Potassium L-tartrate (kc4H5O6)
  • Potassium tartrate
  • Potassium tartrate (KHC4H4O6)
  • Tartar
  • Tartar cream
  • Tartaric acid, monopotassium salt
  • UNII-NPT6P8P3UU

Systematic Names

  • 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- (theta-(theta,theta))-, monopotassium salt
  • Butanedioic acid, 2,3-dihydroxy-, (R-(R*,R*))-, monopotassium salt (9CI)
  • Potassium hydrogen tartrate
  • Potassium L-bitartrate
  • Tartaric acid, monopotassium salt

Superlist Names

  • Cream of tartar
  • Potassium acid salt of L-(+)-tartaric acid
  • Potassium acid tartrate
  • Potassium bitartrate

Registry Numbers

CAS Registry Number

  • 868-14-4

FDA UNII

  • NPT6P8P3UU

Other Registry Numbers

  • 35-04-1
  • 6381-58-4

System Generated Number

  • 0000868144

Molecular Formulas

Molecular Formulas

  • C4-H5-K-O6
  • C4-H5-O6.K
  • C4-H6-O6.K

Molecular Formula Fragments

  • C4-H5-O6
  • C4-H6-O6
  • COMPONENT
  • K

Structure Descriptors

InChI

1S/C4H6O6.K/c5-1(3(7)8)2(6)4(9)10;/h1-2,5-6H,(H,7,8)(H,9,10);/q;+1/p-1/t1-,2-;/m1./s1

InChIKey

KYKNRZGSIGMXFH-ZVGUSBNCSA-M

Smiles

C([C@@H]([C@H](C(=O)[O-])O)O)(O)=O.[K+]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LDLo oral 22gm/kg (22000mg/kg)   Toxicology and Applied Pharmacology. Vol. 3, Pg. 689, 1961.

Physical Properties

Physical Property Value Units Temp (deg C) Source
log P (octanol-water) -5.140 (none)   EST
Water Solubility 6170 mg/L   EXP
Atmospheric OH Rate Constant 9.65E-12 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.