| Preferred name | 4-acetyl-2-isopropenyl pyridine |
| Trivial Name | 1-(2-prop-1-en-2-ylpyridin-4-yl)ethanone |
| Formula | C10 H11 N O |
| CAS Number | 142896-12-6 |
| FEMA Number | 4637 |
| FDA UNII | B6R53E7DXB |
| xLogP3-AA | 2.00 (est) |
| NMR Predictor | External link |
| JECFA Food Flavoring | 2154 4-acetyl-2-isopropenylpyridine |
| FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm | 142896-12-6 ; 4-ACETYL-2-ISOPROPENYLPYRIDINE |
| Synonyms |
|
| 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 |
| (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 |
| FDA Substances Added to Food (formerly EAFUS): | View |
| HMDB (The Human Metabolome Database): | Search |
| VCF-Online: | VCF Volatile Compounds in Food |
| ChemSpider: | View |
| Material listed in food chemical codex | No |
| Molecular weight | 161.20387268066 |
| Specific gravity | @ 25 °C |
| Pounds per Gallon | 8.379 to 8.396 |
| Refractive Index | 1.517 to 1.519 @ 20 °C |
| Boiling Point | 277 to 279°C @ 760 mm Hg |
| Vapor Pressure | 0.004 mmHg @ 25 °C |
| Flash Point TCC Value | 128.89 °C TCC |
| logP (o/w) | 1.894 est |
| Solubility | |
| water, 1506 mg/L @ 25 °C (est) | Yes |
| Odor Type: Herbal | |
| herbal, green, fermented, roasted | |
| General comment | At 0.10 % in dipropylene glycol. herbal green fermented roasted |
| (data available) |
| 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: | |||
| flavoring agents | |||
| Recommendation for 4-acetyl-2-isopropenyl pyridine usage levels up to: | |||
| not for fragrance use. | |||
| 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: 24 | |||
| Click here to view publication 24 | |||
| average usual ppm | average maximum ppm | ||
| baked goods: | - | - | |
| beverages(nonalcoholic): | - | - | |
| beverages(alcoholic): | - | - | |
| breakfast cereal: | - | - | |
| cheese: | - | - | |
| chewing gum: | 0.10000 | 0.50000 | |
| condiments / relishes: | - | - | |
| confectionery froastings: | 0.05000 | 0.30000 | |
| egg products: | - | - | |
| fats / oils: | - | - | |
| fish products: | - | - | |
| frozen dairy: | - | - | |
| fruit ices: | - | - | |
| gelatins / puddings: | - | - | |
| granulated sugar: | - | - | |
| gravies: | - | - | |
| hard candy: | 0.05000 | 0.30000 | |
| imitation dairy: | - | - | |
| instant coffee / tea: | - | - | |
| jams / jellies: | - | - | |
| meat products: | - | - | |
| milk products: | - | - | |
| nut products: | - | - | |
| other grains: | - | - | |
| poultry: | - | - | |
| processed fruits: | - | - | |
| processed vegetables: | - | - | |
| reconstituted vegetables: | - | - | |
| seasonings / flavors: | - | - | |
| snack foods: | - | - | |
| soft candy: | 0.10000 | 0.50000 | |
| 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 :529352 |
| National Institute of Allergy and Infectious Diseases:Data |
| 1-(2-prop-1-en-2-ylpyridin-4-yl)ethanone |
| Chemidplus:0142896126 |