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2,4-Pentadienal

2,4-Pentadienal Basic information
Product Name:2,4-Pentadienal
Synonyms:2,4-Pentadienal;1,3-Pentadiene-5-one;penta-2,4-dienal;penta-2,4-dienal USP/EP/BP
CAS:764-40-9
MF:C5H6O
MW:82.1
EINECS:
Product Categories:aldehyde Flavor
Mol File:764-40-9.mol
2,4-Pentadienal Structure
2,4-Pentadienal Chemical Properties
Boiling point 36-37 °C(Press: 20 Torr)
density 0.845±0.06 g/cm3(Predicted)
FEMA 3217 | 2,4-PENTADIENAL
Odorfruity
Odor Typefruity
JECFA Number1173
LogP0.53
EPA Substance Registry System2,4-Pentadienal (764-40-9)
Safety Information
MSDS Information
2,4-Pentadienal Usage And Synthesis
OccurrenceReported found in raw and roasted peanut.
SynthesisCan be synthesized from 2-ethoxy-Δ3-dihydropyrone and phosphoric acid; and cis- and trans-isomers can be prepared from the corresponding penta-2,4-dien-1-ol (cis- or trans-form) in methylene chloride in the presence of manganese dioxide.
2,4-Pentadienal Preparation Products And Raw materials
Raw materialsManganese dioxide-->Chloromethane-->1,2-PENTADIENE
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