CAS 1119-44-4: 3-Hepten-2-one

3-Hepten-2-one is a chemical compound that belongs to the group of organic compounds called esters. It is an acid with a pKa of 3.5 and a molecular weight of 110.3g/mol. The chemical structure of 3-hepten-2-one consists of an alcohol group with two hydroxyl groups, one methyl group, and one pentenyl group. This molecule has been observed in the gas phase by magnetic resonance spectroscopy as well as in solution at acidic and neutral pH values. In the gas phase, 3-hepten-2-one forms hydrogen bonding interactions with water molecules, while in solution it reacts with capsicum annuum (red pepper) extract to form reaction products that are hydroxy fatty acids.

3-Hepten-2-one

It is used in most dairy flavors to add greater depth. This ketone will add lingering rich after-notes, to many processed dairy products such as custard, melted butter, creams and cheeses (Brie, Gorgonzola and blue cheeses). Also beneficial in fatty nut applications (brazil and pine nuts, cashews). It is also used to produce Heptan-2-one. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.