Other grades of this product :
| 5-METHYL-2-HEPTEN-4-ONE Basic information |
| 5-METHYL-2-HEPTEN-4-ONE Chemical Properties |
| Risk Statements | 10 | | Safety Statements | 16 | | RIDADR | UN 1993 3/PG 1 | | WGK Germany | 3 | | TSCA | Yes | | HazardClass | 3 | | PackingGroup | III |
| 5-METHYL-2-HEPTEN-4-ONE Usage And Synthesis |
| Description | 5-Methyl-2-hepten-4-one has a hazelnut, metallic, buttery odor
and a hazelnut, buttery, mushroom taste. | | Chemical Properties | 5-Methyl-2-hepten-4-one has a hazelnut, metallic, buttery odor and a hazelnut, buttery, mushroom taste. | | Chemical Properties | (2E)-5-Methyl-2-hepten-4-one has a fruity, hazelnut, and green odor reminding of dried
fruits and a characteristic, nutty, roasted, and nougat-like hazelnut flavor. It was
identified as the character compound of natural hazelnut flavor. Preparation is possible, for example, by Grignard reaction of 2-butyl magnesium chloride with
crotonaldehyde and subsequent oxidation or by reaction of 2-methylbutanoyl
chloride with propene.
The material is used in fragrances as top-note booster in exotic fruit and citrus
notes and in nut, cocoa, coffee, and so on, flavors. | | Occurrence | Reported found in roasted hazelnuts and roasted filberts. | | Aroma threshold values | Aroma characteristics at 1.0%: sweet roasted hazelnuts, rich nutty with a roasted nut skin. | | Taste threshold values | Taste characteristics at 5 ppm: nutty, roasted, coffee, cocoa, brown with an earthy brown and meaty nuance,
sugar fondant, delicate, hazelnut, with macadamia and pecan nuances | | Trade name | Filbertone (Symrise). |
| 5-METHYL-2-HEPTEN-4-ONE Preparation Products And Raw materials |
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