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13891-87-7

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13891-87-7 Structure

13891-87-7 Structure
IdentificationBack Directory
[Name]

Methyl allyl ketone
[CAS]

13891-87-7
[Synonyms]

Vinyl acetone
1-Penten-4-one
4-Penten-2-one
Pent-4-en-2-one
Allylmethyl ketone
Allyl methyl ketone
Methyl allyl ketone
Methyl 2-propenyl ketone
[Molecular Formula]

C5H8O
[MOL File]

13891-87-7.mol
[Molecular Weight]

84.12
Chemical PropertiesBack Directory
[Boiling point ]

94℃
[density ]

0.814
[refractive index ]

1.4210
[Fp ]

11℃
[LogP]

0.734 (est)
Raw materials And Preparation ProductsBack Directory
[Raw materials]

3-PENTEN-2-ONE-->Oxalic acid-->Allyltrimethylsilane-->Acetyl chloride-->Aluminum chloride-->Aluminium chloride hexahydrate
Hazard InformationBack Directory
[Chemical Properties]

Methyl allyl ketone, also known as 4-penten-2-one, is a colorless liquid with crotonaldehyde-like odor. Boiling point 107～108℃. Soluble in ethanol, ether, acetone, insoluble in water. This compound exhibits characteristics of both olefins and ketones. When subjected to acidic conditions, it undergoes isomerization into 3-penten-2-one.
[Uses]

Used as synthetic reagent, spice, food additive.
[Definition]

ChEBI: A methyl ketone that is pent-1-ene substituted by an oxo group at position 4.
[Preparation]

Synthesized from 3-penten-2-one by heating isomerization in oxalic acid solution.
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