Relevant Data

Food Additives Approved in the United States

Flavouring Substances Approved by European Union:

  • 2-Methylcrotonaldehyde [show]

General Information

Synonyms: 2,3-DIMETHYLACROLEIN, 2-METHYLCROTONALDEHYDE, TIGLALDEHYDE
Chemical Names: 2-METHYL-2-BUTENAL
CAS number: 1115-11-3
JECFA number: 1201
FEMA number: 3407
Functional Class: Flavouring Agent
FLAVOURING_AGENT

From apps.who.int


Evaluations

Evaluation year: 2003
ADI: No safety concern at current levels of intake when used as a flavouring agent
Report: TRS 922-JECFA 61/75
Tox Monograph: FAS 52-JECFA 61/289
Specification: COMPENDIUM ADDENDUM 11/FNP 52 Add. 11/109

From apps.who.int


Computed Descriptors

Download SDF
2D Structure
CID5321950
IUPAC Name(E)-2-methylbut-2-enal
InChIInChI=1S/C5H8O/c1-3-5(2)4-6/h3-4H,1-2H3/b5-3+
InChI KeyACWQBUSCFPJUPN-HWKANZROSA-N
Canonical SMILESCC=C(C)C=O
Molecular FormulaC5H8O
WikipediaTrans-2-Methyl-2-butenal

From Pubchem


Computed Properties

Property Name Property Value
Molecular Weight84.118
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count1
Complexity72.0
CACTVS Substructure Key Fingerprint A A A D c c B g 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 A A A A A A A A G g A A A A A A D A C g g A I C A A A A A A C I A i h S g A A A A A A A A A A A C A E A A E A A A A A A A Q A A A A A A A A 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 = =
Topological Polar Surface Area17.1
Monoisotopic Mass84.058
Exact Mass84.058
XLogP3None
XLogP3-AA0.9
Compound Is CanonicalizedTrue
Formal Charge0
Heavy Atom Count6
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count1
Undefined Bond Stereocenter Count0
Isotope Atom Count0
Covalently-Bonded Unit Count1

From Pubchem


ADMET Predicted Profile --- Classification

Model Result Probability
Absorption
Blood-Brain BarrierBBB+0.9416
Human Intestinal AbsorptionHIA+0.9951
Caco-2 PermeabilityCaco2+0.7581
P-glycoprotein SubstrateNon-substrate0.7518
P-glycoprotein InhibitorNon-inhibitor0.8927
Non-inhibitor0.9737
Renal Organic Cation TransporterNon-inhibitor0.9133
Distribution
Subcellular localizationLysosome0.3980
Metabolism
CYP450 2C9 SubstrateNon-substrate0.8435
CYP450 2D6 SubstrateNon-substrate0.9310
CYP450 3A4 SubstrateNon-substrate0.6970
CYP450 1A2 InhibitorNon-inhibitor0.8650
CYP450 2C9 InhibitorNon-inhibitor0.9375
CYP450 2D6 InhibitorNon-inhibitor0.9318
CYP450 2C19 InhibitorNon-inhibitor0.9000
CYP450 3A4 InhibitorNon-inhibitor0.9562
CYP Inhibitory PromiscuityLow CYP Inhibitory Promiscuity0.7792
Excretion
Toxicity
Human Ether-a-go-go-Related Gene InhibitionWeak inhibitor0.9281
Non-inhibitor0.9713
AMES ToxicityNon AMES toxic0.7383
CarcinogensCarcinogens 0.7133
Fish ToxicityHigh FHMT0.5170
Tetrahymena Pyriformis ToxicityHigh TPT0.9373
Honey Bee ToxicityHigh HBT0.8700
BiodegradationReady biodegradable0.7830
Acute Oral ToxicityIII0.8030
Carcinogenicity (Three-class)Non-required0.5968

From admetSAR


ADMET Predicted Profile --- Regression

Model Value Unit
Absorption
Aqueous solubility-0.3653LogS
Caco-2 Permeability1.6724LogPapp, cm/s
Distribution
Metabolism
Excretion
Toxicity
Rat Acute Toxicity1.7823LD50, mol/kg
Fish Toxicity0.6200pLC50, mg/L
Tetrahymena Pyriformis Toxicity-0.0291pIGC50, ug/L

From admetSAR


Taxonomic Classification

KingdomOrganic compounds
SuperclassOrganic oxygen compounds
ClassOrganooxygen compounds
SubclassCarbonyl compounds
Intermediate Tree NodesAlpha,beta-unsaturated carbonyl compounds - Alpha,beta-unsaturated aldehydes
Direct ParentEnals
Alternative Parents
Molecular FrameworkAliphatic acyclic compounds
SubstituentsEnal - Organic oxide - Hydrocarbon derivative - Short-chain aldehyde - Aldehyde - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as enals. These are an alpha,beta-unsaturated aldehyde of general formula RC=C-CH=O in which the aldehydic C=O function is conjugated to a C=C triple bond at the alpha,beta position.

From ClassyFire