isobutyraldehyde

Full Material List
2-methylpropanal

Identifiers

FEMA 2220
CAS 78-84-2
EINECS 201-149-6
Synonyms
  • iso butaldehyde
  • iso butanal
  • iso butyl aldehyde
  • iso butylaldehyde
  • iso butyral
  • nat.iso butyraldehyde
  • iso butyraldehyde (natural)
  • iso butyraldehyde FCC
  • iso butyraldehyde natural
  • iso butyraldehyde naturel
  • iso butyraldehyde, dry
  • iso butyraldehyde, natural
  • iso butyric aldehyde
  • iso butyryl aldehyde
  • 2- methyl propanal
  • 2- methyl propionaldehyde
  • alpha- methyl propionaldehyde
  • methyl-1-propanal
  • 2- methyl-1-propanal
  • 2- methyl-propionaldehyde
  • methylpropanal
  • 2- methylpropanal
  • 2- methylpropionaldehyde
  • a- methylpropionaldehyde
  • propanal, 2-methyl-
  • iso propyl aldehyde
  • iso propyl formaldehyde
  • valine aldehyde
JECFA Food Flavoring 252
JECFA Food Additive N/A
DG SANTE Food Flavourings 05.004 2-methylpropanal
DG SANTE Food Contact Materials N/A
FDA UNII C42E28168L
CoE Number 92
XlogP3-AA N/A
Molecular Weight 72.10696
Molecular Formula C4 H8 O

Organoleptic

Organoleptic Notes
  • 1. Odor Type: aldehydic Odor Strength:high ,recommend smelling in a 0.10 % solution or less
  • Substantivity:84 hour(s) at 100.00 %
  • fresh aldehydic floral pungent
  • Odor Description:at 0.10 % in dipropylene glycol. fresh aldehydic floral greenLuebke, William tgsc, (1987)
  • Odor sample from: Berje Inc.
Odor aldehydic
fresh, aldehydic, floral, pungent,
Flavor aldehydic
fresh, aldehydic, herbal, green, malty,

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Properties

Food Chemicals Codex Listed Yes
Appearance colorless clear liquid (est)
Assay 98.00 to 100.00
Specific Gravity 0.78300 to 0.78800 @ 25.00 °C.
Lbs/Gal (est) 6.515 to 6.557
Refractive Index 1.37230 to 1.38200 @ 20.00 °C.
Melting Point -65.00 °C. @ 760.00 mm Hg
Boiling Point 63.00 °C. @ 760.00 mm Hg
Flash Point -2.00 °F. TCC ( -18.89 °C. )
Acid Value 5.00 max. KOH/g
Vapor Pressure 173.000000 mmHg @ 25.00 °C.
Vapor Density 2.4 ( Air = 1 )
logP (o/w) 0.74
Soluble In
  • alcohol
  • water, 1:10
  • water, 3.124e+004 mg/L @ 25 °C (est)
  • water, 8.90E+04 mg/L @ 25 °C (exp)
Occurrence
  • apple fruit
  • apple juice 2 ppm
  • beer 5405 ppm
  • bread white bread 19770 ppm
  • carrot 50 ppm
  • citrus aurantium leaves
  • currant fruit
  • fish 3257 ppm
  • mushroom giant puffball mushroom
  • paprika
  • pepper bell pepper fruit
  • pinus jeffreyi murr. leaves
  • plum fruit
  • potato
  • potato chip 44 ppm
  • potato oil
  • radish leaf
  • spearmint oil
  • tea leaf
  • tobacco leaf
  • truffle