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ChemicalBook--->CAS DataBase List--->31499-72-6

31499-72-6

31499-72-6 Structure

31499-72-6 Structure
IdentificationBack Directory
[Name]

DIHYDO-ALPHA-IONONE
[CAS]

31499-72-6
[Synonyms]

FEMA 3628
DIHYDRO-(A)-IONONE
DIHYDO-ALPHA-IONONE
DIHYDRO ALPHA IONONE
7,8-dihydro-α-ionone
7,8-DIHYDRO-ALPHA-IONONE
DIHYDO-ALPHA-IONONE USP/EP/BP
4-(2,6,6-Trimethyl-2-cyclohexenyl)butan-2-one
4-(2,6,6-Trimethyl-2-cyclohexen-1-yl)butan-2-on
4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-2-butanon
4-(2,2,6-Trimethyl-5-cyclohexen-1-yl)-2-butanone
4-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-2-BUTANONE
4-(2,6,6-trimethyl-2-cyclohexen-1-yl)butan-2-one
4-(2,6,6-triMethylcyclohex-2-en-1-yl)butan-2-one
2-Butanone, 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-
7,8-Dihydro-alpha-ionone technical, >=90% (sum of isomers, GC)
7,8-Dihydro-α-ionone,4-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-butanone
[EINECS(EC#)]

250-657-4
[Molecular Formula]

C13H22O
[MDL Number]

MFCD00036599
[MOL File]

31499-72-6.mol
[Molecular Weight]

194.31
Chemical PropertiesBack Directory
[Boiling point ]

90 °C0.1 mm Hg(lit.)
[density ]

0.922 g/mL at 20 °C(lit.)
[vapor pressure ]

1.83-35.4Pa at 20-50℃
[FEMA ]

3628 | DIHYDRO-ALPHA-IONONE
[refractive index ]

n20/D 1.477
[Fp ]

98 °C
[form ]

Liquid
[Odor]

at 10.00 % in dipropylene glycol. woody floral berry orris powdery violet raspberry fruity
[Odor Type]

floral
[JECFA Number]

393
[BRN ]

2088879
[LogP]

4.064 (est)
[EPA Substance Registry System]

2-Butanone, 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)- (31499-72-6)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

36/37/38
[Safety Statements ]

26-36
[WGK Germany ]

2
[RTECS ]

EM0535000
[F ]

10-23
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Ionone
Hazard InformationBack Directory
[Occurrence]

Reported found in blackberry, raspberry, tea, peach and green tea.
[Definition]

ChEBI: 7,8-Dihydro-alpha-ionone is a sesquiterpenoid.
[Preparation]

By partial hydrogenation of α-ionone.
[Aroma threshold values]

Aroma characteristics at 10% ETOH: woody, floral, berry, fruity with orris powdery undertones
[Taste threshold values]

Taste characteristics at 2 ppm: berry, floral, woody, seedy with a fruity undertone.
[Synthesis Reference(s)]

Synthesis, p. 596, 1976 DOI: 10.1055/s-1976-24130
Tetrahedron, 42, p. 4603, 1986 DOI: 10.1016/S0040-4020(01)87304-X
Tetrahedron Letters, 37, p. 3529, 1996 DOI: 10.1016/0040-4039(96)00604-1
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