alpha,beta-Dihydro-beta-ionone
4-(2,6,6-trimethyl-1-cyclohexen-1-yl)butan-2-one
CAS: 17283-81-7
Molecular Formula: C13H22O
alpha,beta-Dihydro-beta-ionone - Names and Identifiers
| Name | 4-(2,6,6-trimethyl-1-cyclohexen-1-yl)butan-2-one |
| Synonyms | beta-Ionone, dihydro- 7,8-dehydro-beta-ionone 7,8-Dihydro-beta-ionone alpha,beta-Dihydro-beta-ionone 4-(2,6,6-Trimethyl-1-cyclohexenyl)-2-butanone 4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2-butanon 4-(2,6,6-Trimethyl-1-cyclohexen-1-yl)-2-butanone 4-(2,6,6-trimethyl-1-cyclohexen-1-yl)butan-2-one 2-Butanone, 4-(2,6,6-trimethyl-1-cyclohexen-1-yl)- |
| CAS | 17283-81-7 |
| EINECS | 241-318-1 |
| InChI | InChI=1/C13H22O/c1-10-6-5-9-13(3,4)12(10)8-7-11(2)14/h5-9H2,1-4H3 |
alpha,beta-Dihydro-beta-ionone - Physico-chemical Properties
| Molecular Formula | C13H22O |
| Molar Mass | 194.31 |
| Density | 0.923g/mLat 25°C(lit.) |
| Melting Point | 311°C(lit.) |
| Boling Point | 121-122 °C(Press: 10 Torr) |
| Flash Point | >230°F |
| JECFA Number | 394 |
| Vapor Presure | 0.42Pa at 20℃ |
| Storage Condition | Room Temprature |
| Refractive Index | n20/D 1.481(lit.) |
| Physical and Chemical Properties | Colorless to light yellow transparent liquid. The aroma is sweet and rich. Boiling point 236 °c or 90 °c (26.6). Soluble in ethanol. The refractive index (nD20) is 1.47 to 1.48. Natural products exist in apricot, strawberry, BlackBerry, green beans, osmanthus fragrans, net oil and so on. |
alpha,beta-Dihydro-beta-ionone - Risk and Safety
| Risk Codes | R38 - Irritating to the skin R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | 61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 3082 9 / PGIII |
| WGK Germany | 2 |
alpha,beta-Dihydro-beta-ionone - Reference Information
| FEMA | 3626 | DIHYDRO-BETA-IONONE |
| LogP | 4.5 at 20℃ and pH7 |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| toxicity | GRAS(FEMA). |
| usage limit | FEMA(mg/kg): baked goods 1.5; Frozen sweets, puddings, dairy products, frosting, jam, jelly and imitation dairy products are all 1.0. Soft candy 1.2; Alcohol-free beverage 0.5; Fruit and ice products 0.7; Hard candy 2.5; Gum sugar 10.0. |
| use | GB 2760-96 stipulates that it is temporarily allowed to use edible spices. Mainly used to prepare osmanthus and other flavors. |
| Production method | Citral is distilled from Litsea cubeba oil, methyl esterification with acetone, cyclization under acid catalysis and high-pressure hydrogenation. It can also be prepared by selective hydrogenation of β-violet ketone. |
Last Update：2024-04-09 02:00:07
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