ChemicalBook--->CAS DataBase List--->490-03-9

490-03-9

490-03-9 Structure

490-03-9 Structure
IdentificationBack Directory
[Name]

2-hydroxy-6-(isopropyl)-3-methylcyclohex-2-en-1-one
[CAS]

490-03-9
[Synonyms]

DIOSPHENOL
2-HYDROXYPIPERITONE
2-HYDROXY-PARA-MENTH-1-EN-3-ONE
2-hydroxy-3-methyl-6-propan-2-ylcyclohex-2-en-1-one
2-hydroxy-6-(isopropyl)-3-methylcyclohex-2-en-1-one
2-hydroxy-3-methyl-6-propan-2-yl-cyclohex-2-en-1-one
2-Cyclohexen-1-one,2-hydroxy-3-methyl-6-(1-methylethyl)-
[EINECS(EC#)]

207-704-9
[Molecular Formula]

C10H16O2
[MOL File]

490-03-9.mol
[Molecular Weight]

168.23
Chemical PropertiesBack Directory
[Melting point ]

83°
[Boiling point ]

bp760 233° (dec); bp10 109°
[density ]

d499.2 0.9542
[FEMA ]

4143 | (+/-)-2-HYDROXYPIPERITONE
[refractive index ]

nD99.8 1.4607
[pka]

9.11±0.40(Predicted)
[Odor]

at 10.00 % in dipropylene glycol. minty buchu leaves black currant bud phenolic cornmint mentholic herbal woody
[Odor Type]

minty
[JECFA Number]

2038
[LogP]

2.18
[EPA Substance Registry System]

Diosphenol (490-03-9)
Safety DataBack Directory
[TSCA ]

TSCA listed
Hazard InformationBack Directory
[Chemical Properties]

Colorless to pale yellow crystals; minty buchu leaves, black currant aroma
[Occurrence]

Reported found in buchu leaf and buchu leaf oil (22.3%).
[Uses]

Has occasionally found use in flavor compositions, years ago in various toothpaste flavor compositions, but the author believes that the use of Diosphenol in flavors has been practically abandoned. The natural oil, Buchu leaf oil, is still used in various types of Mint flavor, particularly in Europe and South Africa.
[Definition]

ChEBI: A cyclic monoterpene ketone that is cyclohex-2-en-1-one substituted by a hydroxy group at position 2, a methyl group at position 3 and an isopropyl group at position 6.
[Aroma threshold values]

High strength odor, herbal type; recommend smelling in a 0.1% solution or less
[Synthesis Reference(s)]

Journal of the American Chemical Society, 79, p. 4465, 1957 DOI: 10.1021/ja01573a059
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