Aromatic ketone Terpene ketone Acyclic aliphatic Ketones Alicyclic ketones
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Ketones spices

Aromatic ketone Terpene ketone Acyclic aliphatic Ketones Alicyclic ketones
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Organic compounds with both ends of carbonyl connected with the hydrocarbon are called ketone. When the hydrocarbon group connected to both ends of the carbonyl group is aliphatic hydrocarbyl group, the compound belongs to aliphatic ketone; when there is at least one end of the carbonyl group connected with aromatic hydrocarbon group, the compound is called aromatic ketone. According to the number of carbonyl groups contained in the molecule, ketones can be divided into monoketone and diketones. Saturated monoaldehyde and ketone having the same number of carbon atoms are isomers with each other.
There are nearly 100 kinds of ketones spices with the chemical properties being generally stable but with varying degree of color change. Among them, aliphatic ketone has strong aroma with some individual species being used in only a small amount in the formulation of daily flavor. Aromatic ketones are only used in small quantities in individual flavors. Among those cyclic ketones consisting of 5 or 6 carbons or multiple carbons, widely used varieties include ionone, methyl ionone and damascone. Macrocyclic ketone containing more than 15 carbons is a composition of the natural animal spices. However, owning to the high price of synthetic products, it is only used at high-grade perfume fragrance.

Lower aliphatic ketones (both hydrocarbon groups are aliphatic hydrocarbons) are liquid of special odor smell. High-grade ketones are more fragrant, being easily soluble in water, ether and ethanol. With the increase in carbon number, they have decreased solubility but increased viscosity. Ketones of more than six carbon atoms are generally insoluble in water; higher aliphatic ketones are solids; aromatic ketones (both hydrocarbon groups are aromatic) are mostly solids. The simplest mono-ketone is acetone; the simplest mono-aromatic ketone is benzophenone. Lower ketone has a lower boiling point than alcohol of similar relative molecular mass, which is mainly due to hydrogen bonds can’t form between ketone molecules, thus having no association effect. But the boiling point of the higher ketone is gradually close to that of the alcohol of similar relative molecular mass.

Ketone has relatively active chemical activity, this is because the carbon-oxygen double bond of carbonyl group contains one α bond and one π bond, being an unsaturated polar bond. The oxygen atom has a stronger negative charge than the carbon, thus strongly attracting electron, enhancing the density of the electronic cloud around the oxygen atom while carbon atom has lower electronic cloud density, thus leading to a certain polarity with carbon atoms become positive carbon and oxygen atoms become negative oxygen ions. Compare those two, the former one is more active than the latter one, and is susceptible to the attack of nucleophilic reagents carrying charges or lone electron pair, inducing the occurrence of addition reaction, so the addition of ketones is mostly nucleophilic addition. For example, ketone and nucleophiles such as HCN, NH2OH and NH2NH2 can easily have additions reaction and these addition reactions are mostly reversible.

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Structure:
Chemical Name:
Hydroxyacetone
CAS:
116-09-6
MF:
C3H6O2
Structure:
Chemical Name:
3-Heptanone
CAS:
106-35-4
MF:
C7H14O
Structure:
Chemical Name:
alpha-Ionone
CAS:
127-41-3
MF:
C13H20O
Structure:
Chemical Name:
L(-)-Carvone
CAS:
6485-40-1
MF:
C10H14O
Structure:
Chemical Name:
2-Nonanone
CAS:
821-55-6
MF:
C9H18O
Structure:
Chemical Name:
3,4-Hexanedione
CAS:
4437-51-8
MF:
C6H10O2
Structure:
Chemical Name:
2-Pentyl-3-methyl-2-cyclopenten-1-one
CAS:
1128-08-1
MF:
C11H18O
Structure:
Chemical Name:
4-Heptanone
CAS:
123-19-3
MF:
C7H14O
Structure:
Chemical Name:
2-Octanone
CAS:
111-13-7
MF:
C8H16O
Structure:
Chemical Name:
2-Tridecanone
CAS:
593-08-8
MF:
C13H26O
Structure:
Chemical Name:
2,5-Dimethyl-3(2H)-furanone
CAS:
14400-67-0
MF:
C6H8O2
Structure:
Chemical Name:
2,3-Pentanedione
CAS:
600-14-6
MF:
C5H8O2
Structure:
Chemical Name:
β-Lonone
CAS:
79-77-6
MF:
C13H20O
Structure:
Chemical Name:
Dihydro-2-methyl-3(2H)-thiophenone
CAS:
13679-85-1
MF:
C5H8OS
Structure:
Chemical Name:
D(+)-Carvone
CAS:
2244-16-8
MF:
C10H14O
Structure:
Chemical Name:
2,6,6-Trimethyl-2-cyclohexene-1,4-dione
CAS:
1125-21-9
MF:
C9H12O2
Structure:
Chemical Name:
2-Heptanone
CAS:
110-43-0
MF:
C7H14O
Structure:
Chemical Name:
3-Hexanone
CAS:
589-38-8
MF:
C6H12O
Structure:
Chemical Name:
Vanillin isobutyrate
CAS:
20665-85-4
MF:
C12H14O4
Structure:
Chemical Name:
Jasmone
CAS:
488-10-8
MF:
C11H16O
Structure:
Chemical Name:
Piperonyl acetone
CAS:
55418-52-5
MF:
C11H12O3
Structure:
Chemical Name:
Methyl cyclopentenolone
CAS:
80-71-7
MF:
C6H8O2
Structure:
Chemical Name:
4'-Methoxyacetophenone
CAS:
100-06-1
MF:
C9H10O2
Structure:
Chemical Name:
Dimedone
CAS:
126-81-8
MF:
C8H12O2
Structure:
Chemical Name:
2,3-HEXANEDIONE
CAS:
3848-24-6
MF:
C6H10O2
Structure:
Chemical Name:
(-)-FENCHONE
CAS:
7787-20-4
MF:
C10H16O
Structure:
Chemical Name:
Methyl Cedryl Ketone
CAS:
32388-55-9
MF:
C17H26O
Structure:
Chemical Name:
Dimeric mercapto propanone
CAS:
55704-78-4
MF:
C6H12O2S2
Structure:
Chemical Name:
Thenoyltrifluoroacetone
CAS:
326-91-0
MF:
C8H5F3O2S
Structure:
Chemical Name:
2-N-HEPTYLCYCLOPENTANONE
CAS:
137-03-1
MF:
C12H22O
Structure:
Chemical Name:
4-tert-Butylcyclohexanone
CAS:
98-53-3
MF:
C10H18O
Structure:
Chemical Name:
3,5,5-Trimethylcyclohexane-1,2-dione
CAS:
57696-89-6
MF:
C9H14O2
Structure:
Chemical Name:
6-Methyl-5-hepten-2-one
CAS:
110-93-0
MF:
C8H14O
Structure:
Chemical Name:
ALPHA-ISO-METHYLIONONE
CAS:
127-51-5
MF:
C14H22O
Structure:
Chemical Name:
2-Undecanone
CAS:
112-12-9
MF:
C11H22O
Structure:
Chemical Name:
3,4-dimethyl 2-hydroxy-2-cyclopenten-1-one
CAS:
13494-06-9
MF:
C7H10O2
Structure:
Chemical Name:
Benzophenone
CAS:
119-61-9
MF:
C13H10O
Structure:
Chemical Name:
Geranylacetone
CAS:
3796-70-1
MF:
C13H22O
Structure:
Chemical Name:
4'-Methylacetophenone
CAS:
122-00-9
MF:
C9H10O
Structure:
Chemical Name:
Benzylacetone
CAS:
2550-26-7
MF:
C10H12O
Structure:
Chemical Name:
3-Ethyl-2-hydroxy-2-cyclopenten-1-one
CAS:
21835-01-8
MF:
C7H10O2
Structure:
Chemical Name:
Ethyl vinyl ketone
CAS:
1629-58-9
MF:
C5H8O
Structure:
Chemical Name:
2,2,4,4,6,6-Hexamethyl-S-trithiane
CAS:
828-26-2
MF:
C9H18S3
Structure:
Chemical Name:
4-(4-Methoxyphenyl)-2-butanone
CAS:
104-20-1
MF:
C11H14O2
Structure:
Chemical Name:
1-Octen-3-one
CAS:
4312-99-6
MF:
C8H14O
Structure:
Chemical Name:
Tetrahydrothiophen-3-one
CAS:
1003-04-9
MF:
C4H6OS
Structure:
Chemical Name:
5-Hydroxy-4-octanone
CAS:
496-77-5
MF:
C8H16O2
Structure:
Chemical Name:
2-Pentanone
CAS:
107-87-9
MF:
C5H10O
Structure:
Chemical Name:
2,6-Dimethyl-4-heptanone
CAS:
108-83-8
MF:
C9H18O
Structure:
Chemical Name:
6-Pentyl-2H-pyran-2-one
CAS:
27593-23-3
MF:
C10H14O2
Structure:
Chemical Name:
Raspberry Ketone
CAS:
5471-51-2
MF:
C10H12O2
Structure:
Chemical Name:
3',5'-Dimethoxyacetophenone
CAS:
39151-19-4
MF:
C10H12O3
Structure:
Chemical Name:
2,3-HEPTANEDIONE
CAS:
96-04-8
MF:
C7H12O2
Structure:
Chemical Name:
2-Methyltetrahydrofuran-3-one
CAS:
3188-00-9
MF:
C5H8O2
Structure:
Chemical Name:
Damascenone
CAS:
23696-85-7
MF:
C13H18O
Structure:
Chemical Name:
1,3-Diphenylacetone
CAS:
102-04-5
MF:
C15H14O
Structure:
Chemical Name:
4-HEXEN-3-ONE
CAS:
2497-21-4
MF:
C6H10O
Structure:
Chemical Name:
Allyl-α-ionone
CAS:
79-78-7
MF:
C16H24O
Structure:
Chemical Name:
4'-BROMO-3'-NITROACETOPHENONE
CAS:
18640-58-9
MF:
C8H6BrNO3
Structure:
Chemical Name:
4'-Fluoropropiophenone
CAS:
456-03-1
MF:
C9H9FO
Structure:
Chemical Name:
(+)-DIHYDROCARVONE
CAS:
7764-50-3
MF:
C10H16O
Structure:
Chemical Name:
Vanillylidenacetone
CAS:
1080-12-2
MF:
C11H12O3
Structure:
Chemical Name:
CYCLOPENTYL PHENYL KETONE
CAS:
5422-88-8
MF:
C12H14O
Structure:
Chemical Name:
1-(4-Methoxyphenyl)-1-penten-3-one
CAS:
104-27-8
MF:
C12H14O2
Structure:
Chemical Name:
(+)-PULEGONE
CAS:
89-82-7
MF:
C10H16O
Structure:
Chemical Name:
NOOTKATONE
CAS:
4674-50-4
MF:
C15H22O
Structure:
Chemical Name:
Celery ketone
CAS:
3720-16-9
MF:
C10H16O
Structure:
Chemical Name:
6-METHYL-3,5-HEPTADIEN-2-ONE
CAS:
1604-28-0
MF:
C8H12O
Structure:
Chemical Name:
3-ACETOXY-2-BUTANONE
CAS:
4906-24-5
MF:
C6H10O3
Structure:
Chemical Name:
CASHMERAN
CAS:
33704-61-9
MF:
C14H22O
Structure:
Chemical Name:
(-)-ALPHA-CEDRENE
CAS:
469-61-4
MF:
C15H24
Structure:
Chemical Name:
Cedrenol
CAS:
28231-03-0
MF:
C15H24O
Structure:
Chemical Name:
3,5,5-TRIMETHYLCYCLOHEXANE-1,2-DIONE
CAS:
4883-60-7
MF:
C9H14O2
Structure:
Chemical Name:
3,5-Dimethyl-1,2-cyclopentanedione
CAS:
13494-07-0
MF:
C7H10O2
Structure:
Chemical Name:
Isolongifolone
CAS:
23787-90-8
MF:
C15H24O
Structure:
Chemical Name:
5-METHYL-3-HEXEN-2-ONE
CAS:
5166-53-0
MF:
C7H12O
Structure:
Chemical Name:
4-METHYLPHENYLACETONE
CAS:
2096-86-8
MF:
C10H12O
Structure:
Chemical Name:
10-NONADECANONE
CAS:
504-57-4
MF:
C19H38O
Structure:
Chemical Name:
4,4'-DIBROMOBENZIL
CAS:
35578-47-3
MF:
C14H8Br2O2
Structure:
Chemical Name:
3-HEPTEN-2-ONE
CAS:
1119-44-4
MF:
C7H12O
Structure:
Chemical Name:
4-Chlorophenylacetone
CAS:
5586-88-9
MF:
C9H9ClO
Structure:
Chemical Name:
4-Hydroxyphenylacetone
CAS:
770-39-8
MF:
C9H10O2
Structure:
Chemical Name:
2-N-HEXYLCYCLOPENTANONE
CAS:
13074-65-2
MF:
C11H20O
Structure:
Chemical Name:
(E)-1-(2,6,6-TRIMETHYL-CYCLOHEX-2-ENYL)-BUT-2-EN-1-ONE
CAS:
24720-09-0
MF:
C13H20O
Structure:
Chemical Name:
Alpha-Damascone
CAS:
43052-87-5
MF:
C13H20O
Structure:
Chemical Name:
METHYLIONONE
CAS:
1335-46-2
MF:
C14H22O
Chemical Name:
CEDRENE, (-)-alpha-(SG)
Structure:
Chemical Name:
BETA-N-METHYLIONONE
CAS:
127-43-5
MF:
C14H22O
Structure:
Chemical Name:
3-CHLOROPHENYLACETONE
CAS:
14123-60-5
MF:
C9H9ClO
Structure:
Chemical Name:
4,4,5A-TRIMETHYLPERHYDRO-1-BENZOXIREN-2-ONE
CAS:
10276-21-8
MF:
C9H14O2
Structure:
Chemical Name:
2-N-PENTYLCYCLOPENTANONE
CAS:
4819-67-4
MF:
C10H18O
Structure:
Chemical Name:
3-METHOXYPHENYLACETONE
CAS:
3027-13-2
MF:
C10H12O2
Structure:
Chemical Name:
1-ACETAMIDO-ACETONE
CAS:
7737-16-8
MF:
C5H9NO2
Structure:
Chemical Name:
ISOJASMONE
CAS:
95-41-0
MF:
C11H18O
Structure:
Chemical Name:
(+)-BETA-CEDRENE
CAS:
546-28-1
MF:
C15H24
Structure:
Chemical Name:
AMBRETTOLIDE
CAS:
7779-50-2
MF:
C16H28O2
Structure:
Chemical Name:
IRONE
CAS:
79-69-6
MF:
C14H22O
Structure:
Chemical Name:
ISOMENTHONE
CAS:
491-07-6
MF:
C10H18O
Structure:
Chemical Name:
1,3-DIBROMOACETONE
CAS:
816-39-7
MF:
C3H4Br2O
Structure:
Chemical Name:
N-(2-benzoyl-4-chlorophenyl)-2-chloro-N-methylacetamide
CAS:
6021-21-2
MF:
C16H13Cl2NO2