cassyrane
5-tert-butyl-2-methyl-5-propyl-2H-furan
Identification
| Name | cassyrane |
| IUPAC | 5-tert-butyl-2-methyl-5-propyl-2H-furan |
| CAS Number | 871465-49-5 |
| FDA UNII | K0M5IA152B |
| Molecular Formula | C12 H22 O |
| Molecular Weight | 182.30654000 |
| Nikkaji Number | J2.243.533G |
Regulatory
| JECFA Food Flavoring | 2189 cassyrane |
| FEMA Number | 4731 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
Physical Properties
| Appearance | colorless to pale yellow clear liquid (est) |
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 0.86800 to 0.87200 @ 25.00 °C. |
| Pounds per Gallon - (est). | 7.223 to 7.256 |
| Refractive Index | 1.44800 to 1.45200 @ 20.00 °C. |
| Boiling Point | 217.00 to 218.00 °C. @ 760.00 mm Hg (est) |
| Vapor Pressure | 0.196000 mmHg @ 25.00 °C. (est) |
| Flash Point | 177.00 °F. TCC ( 80.30 °C. ) (est) |
| logP (o/w) | 3.874 (est) |
| Soluble in | alcohol |
Organoleptic Properties
| Odor Description | at 10.00 % in dipropylene glycol. |
| Taste Description | currant black currant |
Safety Information
| Oral/Parenteral Toxicity | Not determined |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | flavor and fragrance agents |
| RIFM Fragrance Material Safety Assessment | Search |
| baked goods | - |
| beverages(nonalcoholic) | - |
| beverages(alcoholic) | - |
| breakfast cereal | - |
| cheese | - |
| chewing gum | 50.00000 |
| condiments / relishes | - |
| confectionery froastings | 10.00000 |
| egg products | - |
| fats / oils | - |
| fish products | - |
| frozen dairy | - |
| fruit ices | - |
| gelatins / puddings | - |
| granulated sugar | - |
| gravies | - |
| hard candy | 10.00000 |
| imitation dairy | - |
| instant coffee / tea | - |
| jams / jellies | 10.00000 |
| meat products | - |
| milk products | - |
| nut products | - |
| other grains | - |
| poultry | - |
| processed fruits | - |
| processed vegetables | - |
| reconstituted vegetables | - |
| seasonings / flavors | - |
| snack foods | - |
| soft candy | - |
| soups | - |
| sugar substitutes | - |
| sweet sauces | - |
Chemical sources Association Inc
Exchange of knowledge
Need This Item for Flavor? You can contact the Chemical Sources Association.
Potential Uses
Natural Occurrence
Synonyms
5-tert-
butyl-2-methyl-5-propyl-2H-furan
2-tert-
butyl-5-methyl-2-propyl-2,5-dihydrofuran
2-(tert-
butyl)-5-methyl-2-propyl-2,5-dihydrofuran
(±)-cis and trans-2-(1,1-
dimethylethyl)-2,5-dihydro-5-methyl-2-propylfuran
5-
methyl-2-(2-methyl-2-propanyl)-2-propyl-2,5-dihydrofuran
Google Scholar:
Comparative Studies on some Blackcurrant Odorants and Fruit Esters using a Combination of Microwave Spectroscopy and Quantum Chemical Calculations
US Patents:
7,632,790 - Trisubstituted furans suitable for the preparation of fragrance compositions