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Home/Compounds/Flavor & Fragrance/Isobutyraldehyde
C4H8O
72.11 g/mol
Flavor & FragranceDanger

2-Methylpropanal

CAS78-84-2EC201-149-6
Category
Flavor & Fragrance
Compound Class
Other
Primary Use
Flavoring agent and chemical intermediate

2-Methylpropanal is a clear, colorless liquid with a pungent odor. It is less dense than water, insoluble in water, and its vapors are heavier than air.

Flavoring agent in foodsChemical intermediate for synthesis of pantothenic acid, amino acids, cellulose esters, perfumes, and resinsIntermediate for rubber antioxidants and gasoline additives

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

ReferenceSame Category

Trans-β-ionone

CAS79-77-6

fragrance and flavor ingredient

ReferenceSame Category

Camphene

CAS79-92-5

Fragrance and flavoring agent

ReferenceSame Category

2-(Propan-2-yloxy)ethyl 2-hydroxybenzoate

CAS79915-74-5

Fragrance ingredient in personal care

ReferenceSame Category

(+/-)-α-terpinyl acetate

CAS80-26-2

Fragrance ingredient

Safety Reference

Flammable
Flammable
Harmful
Harmful
Health Hazard
Health Hazard
Environmental Hazard
Environmental Hazard
Danger
H225Highly flammable liquid and vapour
H319Causes serious eye irritation
H302Harmful if swallowed
H320Causes eye irritation
H335May cause respiratory irritation
H373May cause damage to organs through prolonged or repeated exposure
H402Harmful to aquatic life
H341Suspected of causing genetic defects
Identifiers
IUPAC Name

2-methylpropanal

InChIKey

AMIMRNSIRUDHCM-UHFFFAOYSA-N

SMILES

CC(C)C=O

Synonyms (35)
  • 2-Methyl-1-propanal
  • 2-Methylpropanal
  • 2-Methylpropionaldehyde
  • 2-methyl-propan-1-one
  • 2-methylpropanal (isobutanal)
  • 2-methypropanal
  • Butyric iso aldehyde
  • FEMA 2220
  • ISO-BUTYRALDEHYDE
  • Isobutaldehyde
  • Isobutanal
  • Isobutylaldehyde
  • Isobutyral
  • Isobutyraldehyd
  • Isobutyraldehyd [Czech]
  • Isobutyraldehyde (natural)
  • Isobutyraldehyde, dry
  • Isobutyraldehyde, redistilled
  • Isobutyric aldehyde
  • Isobutyryl aldehyde
  • Isopropylaldehyde
  • Isopropylformaldehyde
  • Methylpropanal
  • Propanal, 2-methyl-
  • Propionaldehyde, 2-methyl-
  • Valine aldehyde
  • alpha-Methylpropionaldehyde
  • i-butanal
  • i-butyraldehyde
  • isobutyraldehye
  • so-Butyl aldehyde