| Preferred name | cassyrane |
| Trivial Name | 5-tert-butyl-2-methyl-5-propyl-2H-furan |
| Formula | C12 H22 O |
| CAS Number | 871465-49-5 |
| FEMA Number | 4731 |
| FDA UNII | K0M5IA152B |
| Nikkaji Number | J2.243.533G |
| xLogP3-AA | 3.50 (est) |
| NMR Predictor | External link |
| JECFA Food Flavoring | 2189 cassyrane |
| FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
| Synonyms |
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| Google Scholar | Start search |
| Google Books | Start search |
| Google Patents | Start search |
| Perfumer & Flavorists | Start search |
| EU Patents | Start search |
| PubMeb | Start search |
| NCBI | Start search |
| Leffingwell: | Chirality or Article |
| 5-tert-butyl-2-methyl-5-propyl-2H-furan | |
| NIST Chemistry WebBook: | Search Inchi |
| Pubchem (cid): | 11658397 |
| Pubchem (sid): | 152711732 |
| Publications by Google Scholar | |
| Comparative Studies on some Blackcurrant Odorants and Fruit Esters using a Combination of Microwave Spectroscopy and Quantum Chemical Calculations | |
| Publications by US Patents | |
| 7,632,790 - Trisubstituted furans suitable for the preparation of fragrance compositions | |
| (IUPAC): | Atomic Weights of the Elements 2011 (pdf) |
| Videos: | The Periodic Table of Videos |
| tgsc: | Atomic Weights use for this web site |
| (IUPAC): | Periodic Table of the Elements |
| HMDB (The Human Metabolome Database): | Search |
| ChemSpider: | View |
| Wikipedia: | View |
| EFSA Update of results on the monitoring of furan levels in food: | Read Report |
| EFSA Previous report: Results on the monitoring of furan levels in food: | Read Report |
| EFSA Report of the CONTAM Panel on provisional findings on furan in food: | Read Report |
| Material listed in food chemical codex | No |
| Molecular weight | 182.30653381348 |
| Specific gravity | @ 25 °C |
| Pounds per Gallon | 7.223 to 7.256 |
| Refractive Index | 1.448 to 1.452 @ 20 °C |
| Boiling Point | 217 to 218°C @ 760 mm Hg |
| Vapor Pressure | 0.196 mmHg @ 25 °C |
| Flash Point TCC Value | 80.3 °C TCC |
| logP (o/w) | 3.874 est |
| Solubility | |
| alcohol | Yes |
| water, 10.25 mg/L @ 25 °C (est) | Yes |
| Odor Type: Fruity | |
| currant black currant, natural, eucalyptus, anise, buchu, leafy, green | |
| General comment | At 10.00 % in dipropylene glycol. blackcurrant, natural, rich, eucalyptus buds, anise, buchu leaves, slightly green |
| Flavor Type: Fruity | |
| currant black currant, fruity | |
| General comment | Currant black currant |
| Applications | |
| Odor purposes | Currant black currant |
| Hazards identification | |
| Classification of the substance or mixture | |
| GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) | |
| None found. | |
| GHS Label elements, including precautionary statements | |
| Pictogram | |
| Hazard statement(s) | |
| None found. | |
| Precautionary statement(s) | |
| None found. | |
| Oral/Parenteral Toxicity: | |
| Not determined | |
| Dermal Toxicity: | |
| Not determined | |
| Inhalation Toxicity: | |
| Not determined | |
| Category: | |||
| flavor and fragrance agents | |||
| RIFM Fragrance Material Safety Assessment: Search | |||
| IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice | |||
| Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS). | |||
| The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library | |||
| publication number: 26 | |||
| Click here to view publication 26 | |||
| average usual ppm | average maximum ppm | ||
| baked goods: | - | - | |
| beverages(nonalcoholic): | - | - | |
| beverages(alcoholic): | - | - | |
| breakfast cereal: | - | - | |
| cheese: | - | - | |
| chewing gum: | 50.00000 | 500.00000 | |
| condiments / relishes: | - | - | |
| confectionery froastings: | 10.00000 | 50.00000 | |
| egg products: | - | - | |
| fats / oils: | - | - | |
| fish products: | - | - | |
| frozen dairy: | - | - | |
| fruit ices: | - | - | |
| gelatins / puddings: | - | - | |
| granulated sugar: | - | - | |
| gravies: | - | - | |
| hard candy: | 10.00000 | 50.00000 | |
| imitation dairy: | - | - | |
| instant coffee / tea: | - | - | |
| jams / jellies: | 10.00000 | 20.00000 | |
| 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: | - | - | |
| EPI System: View |
| AIDS Citations:Search |
| Cancer Citations:Search |
| Toxicology Citations:Search |
| EPA ACToR:Toxicology Data |
| EPA Substance Registry Services (SRS):Registry |
| Laboratory Chemical Safety Summary :11658397 |
| National Institute of Allergy and Infectious Diseases:Data |
| 5-tert-butyl-2-methyl-5-propyl-2H-furan |
| Chemidplus:0871465495 |