DIHYDO-ALPHA-IONONE
Synonym(s):4-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-butanone
- CAS NO.：31499-72-6
- Empirical Formula: C13H22O
- Molecular Weight: 194.31
- MDL number: MFCD00036599
- EINECS: 250-657-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-05-25 18:01:24
What is DIHYDO-ALPHA-IONONE?
Occurrence
Reported found in blackberry, raspberry, tea, peach and green tea.
Preparation
By partial hydrogenation of α-ionone.
Definition
ChEBI: 7,8-Dihydro-alpha-ionone is a sesquiterpenoid.
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
Properties of DIHYDO-ALPHA-IONONE
| 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 | n |
| Flash point: | 98 °C |
| form | Liquid |
| Odor | at 10.00 % in dipropylene glycol. woody floral berry orris powdery violet raspberry fruity |
| JECFA Number | 393 |
| BRN | 2088879 |
| EPA Substance Registry System | 2-Butanone, 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)- (31499-72-6) |
Safety information for DIHYDO-ALPHA-IONONE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for DIHYDO-ALPHA-IONONE
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