Sodium hydroxide

Relevant Data

Food Additives Approved in the United States

Food Additives Approved by WHO:

General Information

Chemical nameSodium hydroxide
E No.E 524
INS.524
CAS number1310-73-2
GroupNo
Component of the group Group I, Additives (Group I)
Hydroxides (E 524 - 528)

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
  • Jam, jellies and marmalades and sweetened chestnut puree as defined by Directive 2001/113/EC (4.2.5.2)(legislation:1129/2011, applicable as from 01/06/2013)

  • Other similar fruit or vegetable spreads (4.2.5.3)(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)
  • quantum satis , only processed cereal based foods and baby foods, only for pH adjustment
  • Other foods for young children (13.1.4)(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 for pH adjustment

From webgate.ec.europa.eu

Computed Descriptors

Download SDF
2D Structure
CID14798
IUPAC Namesodium;hydroxide
InChIInChI=1S/Na.H2O/h;1H2/q+1;/p-1
InChI KeyHEMHJVSKTPXQMS-UHFFFAOYSA-M
Canonical SMILES[OH-].[Na+]
Molecular FormulaNaOH
Wikipediasodium hydroxide

From Pubchem

Computed Properties

Property Name Property Value
Molecular Weight39.997
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Complexity2.0
CACTVS Substructure Key Fingerprint A A A D c Q A A I 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 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 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 Area1.0
Monoisotopic Mass39.993
Exact Mass39.993
Compound Is CanonicalizedTrue
Formal Charge0
Heavy Atom Count2
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Isotope Atom Count0
Covalently-Bonded Unit Count2

From Pubchem

Taxonomic Classification

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
ClassAlkali metal oxoanionic compounds
SubclassAlkali metal hydroxides
Intermediate Tree NodesNot available
Direct ParentAlkali metal hydroxides
Alternative Parents
Molecular FrameworkNot available
SubstituentsAlkali metal hydroxide - Inorganic sodium salt - Inorganic hydride - Inorganic oxide - Inorganic salt
DescriptionThis compound belongs to the class of inorganic compounds known as alkali metal hydroxides. These are inorganic compounds in which the largest oxoanion is hydroxide, and in which the heaviest atom not in an oxoanion is an alkali metal.

From ClassyFire