Showing Compound 2-Methylpropanal (FDB003271)

Record Information

Version

1.0

Creation date

2010-04-08 22:05:44 UTC

Update date

2020-09-17 15:30:26 UTC

Primary ID

FDB003271

Secondary Accession Numbers

Not Available

Chemical Information

FooDB Name

2-Methylpropanal

Description

2-Methylpropanal, also known as isobutanal or isobutylaldehyde, belongs to the class of organic compounds known as short-chain aldehydes. These are aldehydes with a chain length containing between 2 and 5 carbon atoms. 2-Methylpropanal is a clear colorless liquid with an aldehydic, pungent, floral odor. Its odor is also described as that of wet cereal or straw. At very low dilutions it has a pleasant fuirty, banana-like odor. 2-Methylpropanal is found in a number of foods including carrots, coffee beans, maitakes, broad beans, agars, black chokeberries, mustard spinachs, greenthread tea, various wheats, common grapes and oxheart cabbages.

CAS Number

78-84-2

Structure

MOL SDF 3D-SDF PDB SMILES InChI View 3D Structure

Synonyms

Synonym	Source
2-Methylpropionaldehyde	ChEBI
alpha-Methylpropionaldehyde	ChEBI
Isobutanal	ChEBI
Isobutylaldehyde	ChEBI
Isobutyric aldehyde	ChEBI
a-Methylpropionaldehyde	Generator
Α-methylpropionaldehyde	Generator
2-Methyl-1-propanal	HMDB
2-METHYL-propanal	HMDB
2-Methyl-propionaldehyde	HMDB
alpha -Methylpropionaldehyde	HMDB
Butyric iso aldehyde	HMDB
FEMA 2220	HMDB
iso-Butyraldehyde	HMDB
iso-C3H7CHO	HMDB
Isobutaldehyde	HMDB
Isobutyl aldehy de	HMDB
Isobutyl aldehyde	HMDB
Isobutyral	HMDB
Isobutyraldehyd	HMDB
Isobutyraldehyde	HMDB
Isobutyryl aldehyde	HMDB
Isopropyl aldehyde	HMDB
Isopropyl formaldehyde	HMDB
Isopropylaldehyde	HMDB
Isopropylformaldehyde	HMDB
Methyl propanal	HMDB
Methylpropanal	HMDB
so-Butyl aldehyde	HMDB
Valine aldehyde	HMDB
2-Methylpropanal	ChEBI
α-methylpropionaldehyde	biospider
2-METHYL-PROPANAL	biospider
2-methylpropanal (isobutanal)	biospider
2-Methylpropanal oxime	biospider
Alpha-methylpropionaldehyde	biospider
Iso-butyraldehyde	biospider
Isobutyraldehyde oxime	biospider
Propanal, 2-methyl-	biospider
Propionaldehyde, 2-methyl-	biospider
So-butyl aldehyde	biospider
α-methylpropionaldehyde	Generator

Predicted Properties

Property	Value	Source
Water Solubility	53.7 g/L	ALOGPS
logP	0.6	ALOGPS
logP	0.86	ChemAxon
logS	-0.13	ALOGPS
pKa (Strongest Acidic)	17.85	ChemAxon
pKa (Strongest Basic)	-7	ChemAxon
Physiological Charge	0	ChemAxon
Hydrogen Acceptor Count	1	ChemAxon
Hydrogen Donor Count	0	ChemAxon
Polar Surface Area	17.07 Å²	ChemAxon
Rotatable Bond Count	1	ChemAxon
Refractivity	20.92 m³·mol⁻¹	ChemAxon
Polarizability	8.24 Å³	ChemAxon
Number of Rings	0	ChemAxon
Bioavailability	Yes	ChemAxon
Rule of Five	Yes	ChemAxon
Ghose Filter	No	ChemAxon
Veber's Rule	Yes	ChemAxon
MDDR-like Rule	No	ChemAxon

Chemical Formula

C4H8O

IUPAC name

2-methylpropanal

InChI Identifier

InChI=1S/C4H8O/c1-4(2)3-5/h3-4H,1-2H3

InChI Key

AMIMRNSIRUDHCM-UHFFFAOYSA-N

Isomeric SMILES

CC(C)C=O

Average Molecular Weight

72.1057

Monoisotopic Molecular Weight

72.057514878

Classification

Description

Belongs to the class of organic compounds known as short-chain aldehydes. These are an aldehyde with a chain length containing between 2 and 5 carbon atoms.

Kingdom

Organic compounds

Super Class

Organic oxygen compounds

Class

Organooxygen compounds

Sub Class

Carbonyl compounds

Direct Parent

Short-chain aldehydes

Alternative Parents

Substituents

Organic oxide
Hydrocarbon derivative
Short-chain aldehyde
Aliphatic acyclic compound

Molecular Framework

Aliphatic acyclic compounds

External Descriptors

propanals (CHEBI:48943 )
an <i>n</i>-alkanal (CPD-7000 )

Ontology

Disposition

Route of exposure:

Enteral:

Ingestion

Source:

Biological:

Plant:

Animal

Biological location:

Biofluid and excreta:

Feces

Subcellular:

Cytoplasm

Cell and elements:

Extracellular

Physico-Chemical Properties

Physico-Chemical Properties - Experimental

Property	Value	Reference
Physical state	Liquid
Physical Description	Not Available
Mass Composition	C 66.63%; H 11.18%; O 22.19%	DFC
Melting Point	Fp -65.9°	DFC
Boiling Point	Bp 63-64°	DFC
Experimental Water Solubility	89 mg/mL at 25 oC	YALKOWSKY,SH & DANNENFELSER,RM (1992)
Experimental logP	Not Available
Experimental pKa	Not Available
Isoelectric point	Not Available
Charge	Not Available
Optical Rotation	Not Available
Spectroscopic UV Data	Not Available
Density	d204 0.79	DFC
Refractive Index	n20D 1.3725	DFC

Spectra

EI-MS/GC-MS

Type	Description	Splash Key	View
EI-MS	Mass Spectrum (Electron Ionization)	splash10-0006-9000000000-cb6baf74480a5a4ab1ed	2015-03-01	View Spectrum
GC-MS	2-Methylpropanal, non-derivatized, GC-MS Spectrum	splash10-002f-9000000000-987cd15323d99af9f551	Spectrum
GC-MS	2-Methylpropanal, non-derivatized, GC-MS Spectrum	splash10-0006-9000000000-1fed4d315b146112b21e	Spectrum
GC-MS	2-Methylpropanal, non-derivatized, GC-MS Spectrum	splash10-002f-9000000000-987cd15323d99af9f551	Spectrum
GC-MS	2-Methylpropanal, non-derivatized, GC-MS Spectrum	splash10-0006-9000000000-1fed4d315b146112b21e	Spectrum
Predicted GC-MS	2-Methylpropanal, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive	splash10-0006-9000000000-dc3ff3769744ad1ee9d0	Spectrum
Predicted GC-MS	2-Methylpropanal, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive	Not Available	Spectrum
Predicted GC-MS	2-Methylpropanal, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive	Not Available	Spectrum

MS/MS

Type	Description	Splash Key	View
Predicted MS/MS	Predicted LC-MS/MS Spectrum - 10V, Positive	splash10-00di-9000000000-58d96802e35b00bb3438	2015-05-26	View Spectrum
Predicted MS/MS	Predicted LC-MS/MS Spectrum - 20V, Positive	splash10-00di-9000000000-935757dca5822bf99c59	2015-05-26	View Spectrum
Predicted MS/MS	Predicted LC-MS/MS Spectrum - 40V, Positive	splash10-052f-9000000000-70f55b8222bfdf58adb0	2015-05-26	View Spectrum
Predicted MS/MS	Predicted LC-MS/MS Spectrum - 10V, Negative	splash10-00di-9000000000-def551c4e49daf8d790b	2015-05-27	View Spectrum
Predicted MS/MS	Predicted LC-MS/MS Spectrum - 20V, Negative	splash10-00di-9000000000-db936d35c1e102f7ca97	2015-05-27	View Spectrum
Predicted MS/MS	Predicted LC-MS/MS Spectrum - 40V, Negative	splash10-0ab9-9000000000-342576c8a51a5b054f42	2015-05-27	View Spectrum
Predicted MS/MS	Predicted LC-MS/MS Spectrum - 10V, Positive	splash10-0a4i-9000000000-63d5fc7a9f901fbe55c2	2021-09-23	View Spectrum
Predicted MS/MS	Predicted LC-MS/MS Spectrum - 20V, Positive	splash10-0a4i-9000000000-a74f47a36c87271fae62	2021-09-23	View Spectrum
Predicted MS/MS	Predicted LC-MS/MS Spectrum - 40V, Positive	splash10-0006-9000000000-1473b269db466f1a2bf2	2021-09-23	View Spectrum
Predicted MS/MS	Predicted LC-MS/MS Spectrum - 10V, Negative	splash10-00di-9000000000-77e5dcf17bd83eca2c67	2021-09-24	View Spectrum
Predicted MS/MS	Predicted LC-MS/MS Spectrum - 20V, Negative	splash10-00di-9000000000-53cc0c445db79b43e5ff	2021-09-24	View Spectrum
Predicted MS/MS	Predicted LC-MS/MS Spectrum - 40V, Negative	splash10-0a4i-9000000000-e6db48dafcc5dffdf942	2021-09-24	View Spectrum

NMR

Type	Description	View
1D NMR	¹H NMR Spectrum (1D, 300 MHz, neat, experimental)	Spectrum
1D NMR	¹³C NMR Spectrum (1D, 25.16 MHz, CDCl₃, experimental)	Spectrum
1D NMR	¹H NMR Spectrum (1D, 100 MHz, D₂O, predicted)	Spectrum
1D NMR	¹³C NMR Spectrum (1D, 100 MHz, D₂O, predicted)	Spectrum
1D NMR	¹H NMR Spectrum (1D, 200 MHz, D₂O, predicted)	Spectrum
1D NMR	¹³C NMR Spectrum (1D, 200 MHz, D₂O, predicted)	Spectrum
1D NMR	¹H NMR Spectrum (1D, 300 MHz, D₂O, predicted)	Spectrum
1D NMR	¹³C NMR Spectrum (1D, 300 MHz, D₂O, predicted)	Spectrum
1D NMR	¹H NMR Spectrum (1D, 400 MHz, D₂O, predicted)	Spectrum
1D NMR	¹³C NMR Spectrum (1D, 400 MHz, D₂O, predicted)	Spectrum
1D NMR	¹H NMR Spectrum (1D, 500 MHz, D₂O, predicted)	Spectrum
1D NMR	¹³C NMR Spectrum (1D, 500 MHz, D₂O, predicted)	Spectrum
1D NMR	¹H NMR Spectrum (1D, 600 MHz, D₂O, predicted)	Spectrum
1D NMR	¹³C NMR Spectrum (1D, 600 MHz, D₂O, predicted)	Spectrum
1D NMR	¹H NMR Spectrum (1D, 700 MHz, D₂O, predicted)	Spectrum
1D NMR	¹³C NMR Spectrum (1D, 700 MHz, D₂O, predicted)	Spectrum
1D NMR	¹H NMR Spectrum (1D, 800 MHz, D₂O, predicted)	Spectrum
1D NMR	¹³C NMR Spectrum (1D, 800 MHz, D₂O, predicted)	Spectrum
1D NMR	¹H NMR Spectrum (1D, 900 MHz, D₂O, predicted)	Spectrum
1D NMR	¹³C NMR Spectrum (1D, 900 MHz, D₂O, predicted)	Spectrum
1D NMR	¹H NMR Spectrum (1D, 1000 MHz, D₂O, predicted)	Spectrum
1D NMR	¹³C NMR Spectrum (1D, 1000 MHz, D₂O, predicted)	Spectrum

External Links

ChemSpider ID

ChEMBL ID

KEGG Compound ID

Pubchem Compound ID

Pubchem Substance ID

Not Available

ChEBI ID

48943

Phenol-Explorer ID

Not Available

DrugBank ID

Not Available

HMDB ID

HMDB31243

CRC / DFC (Dictionary of Food Compounds) ID

CVJ44-T:CVJ44-T

EAFUS ID

1883

Dr. Duke ID

2-METHYL-PROPANAL|ISOBUTYRALDEHYDE

BIGG ID

Not Available

KNApSAcK ID

Not Available

HET ID

Not Available

Food Biomarker Ontology

Not Available

VMH ID

Not Available

Flavornet ID

78-84-2

GoodScent ID

rw1006831

SuperScent ID

Not Available

Wikipedia ID

Not Available

Phenol-Explorer Metabolite ID

Not Available

Duplicate IDS

Not Available

Old DFC IDS

Not Available

Associated Foods

Food	Content Range	Average	Reference
Food			Reference

Biological Effects and Interactions

Health Effects / Bioactivities

Descriptor	ID	Definition	Reference
Perfumery	48318	The art of creating fragrances, playing a biological role in emotional and sensory stimulation. Therapeutically, perfumery has applications in aromatherapy, reducing stress and anxiety. Key medical uses include mood enhancement, pain management, and promoting relaxation, with certain scents exhibiting anti-anxiety and anti-depressant properties.	DUKE

Enzymes

Not Available

Pathways

Not Available

Metabolism

Not Available

Biosynthesis

Not Available

Organoleptic Properties

Flavours

Flavor	Citations
pungent	Arn, H, Acree TE. “Flavornet: A database of aroma compounds based on odor potency in natural products”. Developments in Food Science 40 (1998): 27. doi:10.1016/S0167-4501(98)80029-0
malt	Arn, H, Acree TE. “Flavornet: A database of aroma compounds based on odor potency in natural products”. Developments in Food Science 40 (1998): 27. doi:10.1016/S0167-4501(98)80029-0
green	Arn, H, Acree TE. “Flavornet: A database of aroma compounds based on odor potency in natural products”. Developments in Food Science 40 (1998): 27. doi:10.1016/S0167-4501(98)80029-0
fresh	The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
aldehydic	The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
floral	The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.