2-methyl butyraldehyde

Full Material List
2-methylbutanal

Identifiers

FEMA 2691
CAS 96-17-3
EINECS 202-485-6
Synonyms
  • acetaldehyde, ethylmethyl-
  • butanal, 2-methyl-
  • butyraldehyde, 2-methyl-
  • 2- ethyl propanal
  • 2- ethylpropanal
  • 2- formyl butane
  • 2- methyl butanal
  • alpha- methyl butanal
  • alpha- methyl butyraldehyde
  • nat.2- methyl butyraldehyde
  • 2- methyl butyraldehyde natural
  • alpha- methyl butyric aldehyde
  • methyl ethyl acetaldehyde
  • 2- methyl-1-butanal
  • a-2- methyl-N-butanal
  • alpha-2- methyl-N-butanal
  • 2- methylbutanal
  • a- methylbutanal
  • 2- methylbutyraldehyde
  • a- methylbutyraldehyde
  • 2- methylbutyraldehyde 99%, (naturals)
  • 2- methylbutyraldehyde natural
  • 2- methylbutyric aldehyde
  • a- methylbutyric aldehyde
  • alpha- methylbutyric aldehyde
  • methylethyl acetaldehyde
  • methylethylacetaldehyde
JECFA Food Flavoring 254
JECFA Food Additive N/A
DG SANTE Food Flavourings 05.049 2-methylbutyraldehyde
DG SANTE Food Contact Materials N/A
FDA UNII 47H597M1YY
CoE Number 575
XlogP3-AA N/A
Molecular Weight 86.1339
Molecular Formula C5 H10 O

Organoleptic

Organoleptic Notes
  • 1. Odor Type: cocoa Odor Strength:high ,recommend smelling in a 1.00 % solution or less
  • Substantivity: > 1 hour(s) at 100.00 %
  • musty cocoa phenolic coffee nutty malty fermented fatty alcoholic
  • Odor Description:at 1.00 % in dipropylene glycol. musty cocoa phenolic coffee nutty malty fermented fatty alcoholicLuebke, William tgsc, (2021)
  • Odor sample from: Sigma-Aldrich
  • musty chocolate nutty malty fermented
  • Odor Description:Musty, chocolate, nutty, furfural and iaovaleraldehyde-like with malty and fermented nuancesMosciano, Gerard P&F 23, No. 1, 33, (1998)
Odor cocoa
musty, cocoa, phenolic, coffee, nutty, malty, fermented, fatty, alcoholic, chocolate
Flavor fusel
musty, rummy, nutty, cereal, caramellic, fruity,

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Properties

Food Chemicals Codex Listed No
Appearance colorless to pale yellow clear liquid (est)
Assay 98.00 to 100.00 sum of isomers
Specific Gravity 0.80000 to 0.81000 @ 25.00 °C.
Lbs/Gal (est) 6.657 to 6.740
Refractive Index 1.38600 to 1.39400 @ 20.00 °C.
Melting Point 91.00 °C. @ 760.00 mm Hg
Boiling Point 90.00 to 93.00 °C. @ 760.00 mm Hg
Flash Point 40.00 °F. TCC ( 4.44 °C. )
Acid Value 5.00 max. KOH/g
Vapor Pressure 49.317001 mmHg @ 25.00 °C. (est)
Vapor Density 2.9 ( Air = 1 )
logP (o/w) 1.267 (est)
Soluble In
  • alcohol
  • water, 1.123e+004 mg/L @ 25 °C (est)
  • alkalis
Occurrence
  • apple fruit
  • bay laurel leaf
  • cardamom
  • cayenne fruit
  • cheese @ 251.00 ± 43 µg%
  • cheese cheddar cheese
  • cheese swiss cheese
  • currant black currant fruit
  • fish
  • grape
  • kohlrabi
  • kohlrabi stem
  • lovage flower oil @ trace%
  • lovage leaf oil @ trace%
  • lovage root
  • mushroom giant puffball mushroom
  • onion bulb
  • papaya fruit
  • paprika
  • peanut roasted peanut
  • pepper bell pepper fruit
  • plum fruit
  • potato
  • rice cakes
  • rum
  • spearmint oil
  • truffle