Relevant Data

Food Additives Approved in the United States

Flavouring Substances Approved by European Union:

  • Maltol [show]

General Information

Chemical Names: 3-HYDROXY-2-METHYL-4-PYRONE
CAS number: 118-71-8
COE number: 7014
JECFA number: 1480
FEMA number: 2656
INS:

636

Functional Class: Flavouring Agent
FLAVOURING_AGENT
Food Additives
FLAVOUR_ENHANCER
STABILIZER

From apps.who.int


Evaluations

Evaluation year: 2018
ADI: No safety concern at current levels of intake when used as a flavouring agent
Meeting: 86
Specs Code: M
Comments: The previously established ADI for maltol was withdrawn by the Committee.
Report: TRS 1014-JECFA 86/102
Specification: FAO JECFA Monographs 22/99

From apps.who.int



GSFA Provisions for MALTOL

Number Food Category Max Level Notes
05.2

Confectionery including hard and soft candy, nougats, etc. other than food categories 05.1, 05.3 and 05.4

200 mg/kg Note XS309R

From www.fao.org


Computed Descriptors

Download SDF
2D Structure
CID8369
IUPAC Name3-hydroxy-2-methylpyran-4-one
InChIInChI=1S/C6H6O3/c1-4-6(8)5(7)2-3-9-4/h2-3,8H,1H3
InChI KeyXPCTZQVDEJYUGT-UHFFFAOYSA-N
Canonical SMILESCC1=C(C(=O)C=CO1)O
Molecular FormulaC6H6O3
Wikipediamaltol

From Pubchem


Computed Properties

Property Name Property Value
Molecular Weight126.111
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count0
Complexity200.0
CACTVS Substructure Key Fingerprint A A A D c Y B g M 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 A A G g A A C A A A C A S g g A I C A A A A B g C I A K B S A A I A C A A g I A A I C A B A A E g A A A A A A A A A Q A A A Q A A I A Y I 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 Area46.5
Monoisotopic Mass126.032
Exact Mass126.032
XLogP3None
XLogP3-AA0.4
Compound Is CanonicalizedTrue
Formal Charge0
Heavy Atom Count9
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Isotope Atom Count0
Covalently-Bonded Unit Count1

From Pubchem


ADMET Predicted Profile --- Classification

Model Result Probability
Absorption
Blood-Brain BarrierBBB+0.9009
Human Intestinal AbsorptionHIA+0.9934
Caco-2 PermeabilityCaco2+0.8151
P-glycoprotein SubstrateNon-substrate0.6235
P-glycoprotein InhibitorNon-inhibitor0.8537
Non-inhibitor0.9415
Renal Organic Cation TransporterNon-inhibitor0.9080
Distribution
Subcellular localizationMitochondria0.8807
Metabolism
CYP450 2C9 SubstrateNon-substrate0.7442
CYP450 2D6 SubstrateNon-substrate0.8834
CYP450 3A4 SubstrateNon-substrate0.7346
CYP450 1A2 InhibitorInhibitor0.5062
CYP450 2C9 InhibitorNon-inhibitor0.9778
CYP450 2D6 InhibitorNon-inhibitor0.9701
CYP450 2C19 InhibitorNon-inhibitor0.8305
CYP450 3A4 InhibitorNon-inhibitor0.9377
CYP Inhibitory PromiscuityLow CYP Inhibitory Promiscuity0.8264
Excretion
Toxicity
Human Ether-a-go-go-Related Gene InhibitionWeak inhibitor0.9539
Non-inhibitor0.9745
AMES ToxicityAMES toxic0.6703
CarcinogensNon-carcinogens0.9017
Fish ToxicityLow FHMT0.5546
Tetrahymena Pyriformis ToxicityHigh TPT0.9393
Honey Bee ToxicityHigh HBT0.6482
BiodegradationReady biodegradable0.6588
Acute Oral ToxicityIII0.8431
Carcinogenicity (Three-class)Non-required0.6509

From admetSAR


ADMET Predicted Profile --- Regression

Model Value Unit
Absorption
Aqueous solubility-0.7441LogS
Caco-2 Permeability1.4716LogPapp, cm/s
Distribution
Metabolism
Excretion
Toxicity
Rat Acute Toxicity1.9831LD50, mol/kg
Fish Toxicity1.1216pLC50, mg/L
Tetrahymena Pyriformis Toxicity-0.2158pIGC50, ug/L

From admetSAR


Taxonomic Classification

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassPyrans
SubclassPyranones and derivatives
Intermediate Tree NodesNot available
Direct ParentPyranones and derivatives
Alternative Parents
Molecular FrameworkAromatic heteromonocyclic compounds
SubstituentsPyranone - Heteroaromatic compound - Cyclic ketone - Oxacycle - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyranones and derivatives. These are compounds containing a pyran ring which bears a ketone.

From ClassyFire