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CARVONE

CAS No.
99-49-0
Chemical Name:
CARVONE
Synonyms
DL-carvone;p-Mentha-6(1),8-dien-2-one;2-methyl-5-(1-methylethenyl)-2-Cyclohexen-1-one;5-Isopropenyl-2-methyl-2-cyclohexen-1-one;2-Methyl-5-(1-methylethenyl)-2-cyclohexene-1-one;2-Cyclohexen-1-one, 2-methyl-5-(1-methylethenyl)-;Karvon;Cavone;CARVONE;NSC 6275
CBNumber:
CB0773601
Molecular Formula:
C10H14O
Molecular Weight:
150.22
MDL Number:
MFCD00062996
MOL File:
99-49-0.mol
MSDS File:
SDS
Last updated:2023-11-28 16:31:43

CARVONE Properties

Melting point 230℃
Boiling point 232℃ (760.0 Torr)
Density 0.963 g/cm3 (15℃)
FEMA 2249 | CARVONE
refractive index 1.710
storage temp. 2-8°C
solubility Chloroform (Slightly), Methanol (Slightly)
form Oil
color Light Orange to Light Brown
Odor at 100.00 %. minty licorice
Odor Type minty
JECFA Number 380
Dielectric constant 11.0(22℃)
Stability Light Sensitive
LogP 3.07
CAS DataBase Reference 99-49-0
Substances Added to Food (formerly EAFUS) CARVONE
EWG's Food Scores 1-2
FDA UNII 75GK9XIA8I
EPA Substance Registry System 2-Cyclohexen-1-one, 2-methyl-5-(1-methylethenyl)- (99-49-0)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H317
Precautionary statements  P261-P272-P280-P302+P352-P333+P313-P321-P363-P501

CARVONE price More Price(4)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC C184195 Carvone 99-49-0 5g $160 2021-12-16 Buy
AK Scientific 6982AC Carvone 99-49-0 25g $100 2021-12-16 Buy
AHH MT-04537 Carvone 98% 99-49-0 2500g $418 2021-12-16 Buy
Chemenu CM202210 2-Methyl-5-(prop-1-en-2-yl)cyclohex-2-enone 95% 99-49-0 100g $527 2021-12-16 Buy
Product number Packaging Price Buy
C184195 5g $160 Buy
6982AC 25g $100 Buy
MT-04537 2500g $418 Buy
CM202210 100g $527 Buy

CARVONE Chemical Properties,Uses,Production

Chemical Properties

Caravone occurs in different forms. l-Carvone exhibits odor of spearmint, while d-carvone exhibits odor reminiscent of caraway.

Chemical Properties

Carvone occurs as (S)-(+)- carvone ([α]18 D +64.3°,), (R)-(?)-carvone ([α]20 D ?62.5°), or racemic carvone. The optical isomers differ considerably in their sensory properties. They occur in high percentages in a number of essential oils. (+)-Carvone is the main component of caraway oil (about 60%) and dill oil; (?)- carvone occurs in spearmint oil at a concentration of 70–80%.
Both (+)- and (?)-carvone are used to flavor a number of foods and beverages. (?)-Carvone is produced in much larger quantities and is mainly used in oral hygiene products.

Chemical Properties

Pale-yellowish or colorless liquid with a strong characteristic odor. Soluble in alcohol, ether, chloroform, propylene glycol, and mineral oils; insoluble in glycerol and water. Combustible.

Physical properties

The carvones are colorless to slightly yellow liquids.(+)-Carvone has a herbaceous odor reminiscent of caraway and dill seeds, whereas (?)-carvone has a herbaceous odor reminiscent of spearmint. Depending on the reaction conditions, hydrogenation of carvone yields either carveol or dihydrocarvone, which are also used as flavor compounds. When treated with strong acids, carvone isomerizes to carvacrol.

Occurrence

The optically active and inactive forms have been reported among the constituents of about 70 essential oils. The dextro form is present in carvi, Antheum graveolens, Antheum sowa, Lippia carviodora, Mentha arvensis, etc. The levo form is present in Metha vifidis var. crispa, Mentha longifolia from South Africa, Eucalyptus globules and several mint species. The racemic form is present in ginger grass, Litsea gutalemaleusis, lavender and Artemisia ferganensis. Reported found in citrus oil and juice (lemon, lime, orange), celery seed, anise, clove, coriander seed, calamus, caraway herb and dill seed.

Uses

Carvone is useful for the treatment of various metabolic disorders and GI related disorders.

Uses

Flavoring, liqueurs, perfumery, soaps.

Definition

A ketone derived from the terpene dipentene. It is optically active, occurring naturally in both d- and l-forms.

Preparation

In the past, (+)- and (?)-carvones were isolated by fractional distillation of caraway oil and spearmint oil, respectively. However, these carvones are now prepared synthetically, the preferred starting materials being (+)- and (?)- limonenes, which are converted into the corresponding optically active carvones. Since optical rotation is reversed in the process, (+)-limonene is the startingmaterial for (?)-carvone.
Thepreferred industrialmethod of carvone synthesis utilizes the selective addition of nitrosyl chloride to the endocyclic double bond of limonene. If a lower aliphatic alcohol is used as solvent, limonene nitrosochloride is obtained in high yield. It is converted into carvone oxime by elimination of hydrogen chloride in the presence of a weak base. Acid hydrolysis in the presence of a hydroxylamine acceptor, such as acetone, yields carvone.
An alternative process for the production of (?)-carvone has recently been commercialized. Starting from (+)-limonene 1,2-epoxide, a regioselective rearrangement of the epoxide leads to (?)-carveol (trans- :[2102-58-1]; cis- :[2102-59-2]). Thereaction is effected by the use of a catalyst consisting of a combination of metal salts and phenolic compounds.
(?)-Carveol is subsequently oxidized to (?)-carvone by anOppenauer oxidation or by dehydrogenation in the presence of special catalysts.The reaction may also be performed as a one-pot reaction.

Aroma threshold values

Detection: d-Carvone: 6.7 to 820 ppb; l-carvone: 2.7 to 600 ppb

Synthesis Reference(s)

The Journal of Organic Chemistry, 49, p. 3435, 1984 DOI: 10.1021/jo00192a054
Synthesis, p. 223, 1980 DOI: 10.1055/s-1980-28975

Synthesis

Carvone occurs in the dextro, levo and racemic form; l-carvone can be isolated from the essential oil of spearmint or is commercially synthesized from d-limonene; d-carvone is usually prepared by fractional distillation of oil of caraway, also from dillseed and dillweed oils, but this type differs in odor and flavors.

Global( 125)Suppliers
Supplier Tel Email Country ProdList Advantage
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View Lastest Price from CARVONE manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
CARVONE pictures 2023-09-06 CARVONE
99-49-0
US $0.00 / KG 1KG 99% 500000kg Hebei Guanlang Biotechnology Co., Ltd.
CARVONE pictures 2023-08-10 CARVONE
99-49-0
US $50.00 / Kg/Bag 1Kg/Bag 99% 5000KG Hebei Mojin Biotechnology Co., Ltd
CARVONE pictures 2023-04-07 CARVONE
99-49-0
US $0.00 / KG 1KG 99% 100 MT Hebei Guanlang Biotechnology Co., Ltd.
  • CARVONE pictures
  • CARVONE
    99-49-0
  • US $0.00 / KG
  • 99%
  • Hebei Guanlang Biotechnology Co., Ltd.
  • CARVONE pictures
  • CARVONE
    99-49-0
  • US $50.00 / Kg/Bag
  • 99%
  • Hebei Mojin Biotechnology Co., Ltd
  • CARVONE pictures
  • CARVONE
    99-49-0
  • US $0.00 / KG
  • 99%
  • Hebei Guanlang Biotechnology Co., Ltd.
(-)-2-Methyl-5-isopropenyl-2-cyclohexen-1-one 1-methyl-4-isopropenyl-delta(6)-cyclohexen-2-one 2-methyl-5-(1-methylethenyl)-2-cyclohexen-1-on 2-Methyl-5-isopropenyl-2-cyclohexenone CARVONE 5-ISOPROPENYL-2-METHYL-CYCLOHEX-2-ENONE d-p-mentha-1(6),8-dien-2-one DL-carvone,2-methyl-5-(1-methylethenyl)-2-cyclohexen-1-one,p-mentha-6,8-dien-2-one,(+)-carvone L-CARVONE, NATURAL p-Mentha-1,8-dien-6-one Limonen-6-one NSC 6275 2-Methyl-5-(prop-1-en-2-yl) 6,8(9)-p-Menthadien-2-one delta(sup6,8)-(9)-terpadienone-2 delta6,8-(9)-Terpadienone-2 delta-1-Methyl-4-isopropenyl-6-cyclohexen-2-one femanumber2249 Karvon NCI-C55867 p-mentha-1(6),8-dien-2-one CARVONE USP/EP/BP 2-Cyclohexen-1-one, 2-methyl-5-(1-methylethenyl)- 2-methyl-5-(1-methylethenyl)-2-Cyclohexen-1-one 5-Isopropenyl-2-methyl-2-cyclohexen-1-one DL-carvone Cavone 2-Methyl-5-(1-methylethenyl)-2-cyclohexene-1-one p-Mentha-6(1),8-dien-2-one 2-Methyl-5-(1-propen-2-yl)-2-cyclohexenone 99-49-0 99-40-0