Acetilfuran

SintetičkaSLATKIŠI I GURMANSKI MIRISIsladak · topao · gurmanski

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Srednje notePiramida
4/5Jačina
—Trajnost
—Poreklo
Uzorak
Acetilfuran kao sirovina za parfeme
Srednje note
Definicija

Acetyl furan (2-acetylfuran) is an organic compound with the formula C₆H₆O₂. It has a balsamic, caramellic, sweet, almond, nutty profile.

SLADAK GURMANSKI TOPAO SVEŽ
2-Acetylfuran, 2-Furyl methyl ketone, 1-(Furan-2-yl)ethanone, Acetylfuran
Type
Sirovina
Olfactive family
Gurmanski
Source
Synthetic — generally prepared industrially from furan and acetic anhydride
Chemical class
furan, methyl ketone, aromatic ketone
Instrumenti
Piramida
GGornje note
SSrednje note
BBazne note
4/5Jačina
Visoka
jačina mirisa

Miris

The odour is sweet, almondy, nutty, brown and toasted, with a milky, lactonic undernote. Its odour type is balsamic. A coffee-like aroma is also described. Further descriptors include caramel, coumarin, vanilla, hay, creamy and burnt.

Detaljno

Identity

2-Acetylfuran is a furan carrying an acetyl substituent at the 2-position. It is a methyl ketone and an aromatic ketone. Its other names include 2-furyl methyl ketone and 1-(furan-2-yl)ethanone. Its FEMA number is 3163, and its functional class is flavouring agent. Its preferred IUPAC name is 1-(furan-2-yl)ethan-1-one, and its JECFA number is 1503.

Occurrence

2-Acetylfuran has been reported in Zea mays, Campsis grandiflora, and other organisms.

Properties

The solid melts at 30 °C, and the normal boiling point of the liquid is 168 to 169 °C. Its density is 1.0975 g/ml at 20 °C. It is very slightly soluble in water and soluble in ethanol. It is also slightly soluble in propylene glycol and in vegetable oils.

Uses and evaluation

2-Acetylfuran is a useful intermediate in the synthesis of fine chemicals and pharmaceuticals. In 2018 the Joint FAO/WHO Expert Committee on Food Additives found no safety concern at current levels of intake when it is used as a flavouring agent. The 2005 evaluation had noted extensive positive genotoxicity data for several members of the group. As a flavouring, the compound is recommended for bakery, chocolate, cocoa, coffee, nut and tomato products. It tastes sweet, nutty and roasted with a sweet, baked-goods body, and its flavour profile is listed as balsamic, cocoa and coffee.

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Related: Ambermax · Ambrofix · Egg · Ethyl Maltol · Flour · Furfural · Genepi · Gold

Dobijanje i hemija

Način dobijanja

2-Acetylfuran was prepared by Ashina in 1914 through the reaction of the methyl Grignard reagent on 2-furonitrile. Modern industrial synthesis generally involves the Friedel-Crafts acylation of furan with acetic anhydride.

Formula
C₆H₆O₂
CAS
1192-62-7
Izgled
Colorless crystal to yellow-brown solid
Jačina mirisa
Visok
Sinonimi
2-Acetylfuran, 2-Furyl methyl ketone, 1-(Furan-2-yl)ethanone, Acetylfuran
Status prema standardima IFRA
Pogledajte napomenu

No IFRA Standard for the material itself (51st Amendment)

Fizička svojstva
Tačka ključanja
67.00 °C @ 10.00 mm Hg
Tačka topljenja
29.00 to 33.00 °C
Tačka paljenja
160.00 °F. TCC
Relativna gustina
1.08900 to 1.09900 @ 25.00 °C
Indeks prelamanja
1.50000 to 1.50900 @ 20.00 °C

U parfemima

It is a flavouring agent and appears on the IFRA transparency list as a fragrance ingredient.

Uloga u formuli
01modifikator
02sirovina za stapanje
03graditelj volumena
Oblici na tržištu
mirisno jedinjenje

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