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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)
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%).
[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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