Relevant Data

Food Additives Approved in the United States

Food Additives Approved by WHO:


General Information

Chemical namePotassium carbonates
E No.E 501
INS.501
CAS number584-08-7
GroupNo
Component of the group Group I, Additives (Group I)
Carbonates (E 500 - 504)

From webgate.ec.europa.eu


Authorisation of the use of this additive in Food Additives

The additive is authorised to be used in the following category(ies):
category(ies) Individual restriction(s)/exception(s) footnote
  • Table-Top Sweeteners in liquid form (11.4.1)(legislation:1129/2011, applicable as from 01/06/2013)

  • Table-Top Sweeteners in powder form (11.4.2)(legislation:1129/2011, applicable as from 01/06/2013)

  • Table-Top Sweeteners in tablets (11.4.3)(legislation:1129/2011, applicable as from 01/06/2013)

  • Other foods for young children (13.1.4)(legislation:1129/2011, applicable as from 01/06/2013)

  • quantum satis

  • Processed cereal-based foods and baby foods for infants and young children as defined by Directive 2006/125/EC (13.1.3)(legislation:1129/2011, applicable as from 01/06/2013)

  • Dietary foods for infants for special medical purposes and special formulae for infants (13.1.5.1)(legislation:1129/2011, applicable as from 01/06/2013)

  • quantum satis , only as rising agent

From webgate.ec.europa.eu


Computed Descriptors

Download SDF
2D Structure
CID11430
IUPAC Namedipotassium;carbonate
InChIInChI=1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
InChI KeyBWHMMNNQKKPAPP-UHFFFAOYSA-L
Canonical SMILESC(=O)([O-])[O-].[K+].[K+]
Molecular FormulaK2CO3· nH2O (n = 0 or 1,5)
Wikipediapotassium carbonate

From Pubchem


Computed Properties

Property Name Property Value
Molecular Weight138.205
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count0
Complexity18.8
CACTVS Substructure Key Fingerprint A A A D c Q A A M A A A Y A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A g A A A A A A A A A A A A A A C A A A A A A I A A A A C A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A = =
Topological Polar Surface Area63.2
Monoisotopic Mass137.912
Exact Mass137.912
Compound Is CanonicalizedTrue
Formal Charge0
Heavy Atom Count6
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Isotope Atom Count0
Covalently-Bonded Unit Count3

From Pubchem


Taxonomic Classification

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassOrganic carbonic acids and derivatives
SubclassOrganic carbonic acids
Intermediate Tree NodesNot available
Direct ParentOrganic carbonic acids
Alternative Parents
Molecular FrameworkAliphatic acyclic compounds
SubstituentsCarbonate salt - Carbonic acid - Organic alkali metal salt - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organic potassium salt - Organic salt - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as organic carbonic acids. These are compounds comprising the carbonic acid functional group.

From ClassyFire