2-acetyl-1-pyrroline
ethanone, 1-(3,4-dihydro-2H-pyrrol-5-yl)-
Identification
| Name | 2-acetyl-1-pyrroline |
| IUPAC | 1-(3,4-dihydro-2H-pyrrol-2-yl)ethanone |
| FDA UNII | IGC0W6LY94 |
| Molecular Formula | C6 H9 N O |
| Molecular Weight | 111.14393000 |
| Nikkaji Number | J487.706C |
| CoE Number | 1408 |
Regulatory
| JECFA Food Flavoring | 2-acetyl-1-pyrroline |
| DG SANTE Food Flavourings | 14.080 2-acetyl-1-pyrroline |
| FEMA Number | 4249 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF) | 99583-29-6 ; 2-ACETYL-1-PYRROLINE |
Physical Properties
| Appearance | colorless to yellow solid (est) |
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Melting Point | 19.00 °C. @ 760.00 mm Hg |
| Boiling Point | 182.00 to 183.00 °C. @ 760.00 mm Hg |
| Vapor Pressure | 0.793000 mmHg @ 25.00 °C. (est) |
| Flash Point | 151.00 °F. TCC ( 66.11 °C. ) |
| logP (o/w) | -0.019 (est) |
| Soluble in | alcohol |
| Similar Items | note |
Organoleptic Properties
| Odor Description | at 1.00 % in propylene glycol. |
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 | flavoring agents |
| Recommendation for 2-acetyl-1-pyrroline usage levels up to | not for fragrance use. |
| Maximised Survey-derived Daily Intakes (MSDI-EU) | 0.012 (μg/capita/day) |
| Maximised Survey-derived Daily Intakes (MSDI-USA) | 0.10 (μg/capita/day) |
| Modified Theoretical Added Maximum Daily Intake (mTAMDI) | 340 (μg/person/day) |
| Threshold of Concern | 540 (μg/person/day) |
| Structure Class | II |
| baked goods | 0.01000 |
| beverages(nonalcoholic) | 0.00100 |
| beverages(alcoholic) | 0.00100 |
| breakfast cereal | 0.01000 |
| cheese | 0.00200 |
| chewing gum | - |
| condiments / relishes | 0.01000 |
| confectionery froastings | 0.01000 |
| egg products | 0.00500 |
| fats / oils | 0.00200 |
| fish products | 0.00500 |
| frozen dairy | 0.00100 |
| fruit ices | - |
| gelatins / puddings | 0.00100 |
| granulated sugar | - |
| gravies | 0.00500 |
| hard candy | 0.00400 |
| imitation dairy | 0.00100 |
| instant coffee / tea | 0.01000 |
| jams / jellies | - |
| meat products | 0.00500 |
| milk products | 0.00100 |
| nut products | 0.00200 |
| other grains | 0.00100 |
| poultry | 0.01000 |
| processed fruits | - |
| processed vegetables | - |
| reconstituted vegetables | - |
| seasonings / flavors | 0.00500 |
| snack foods | 0.00500 |
| soft candy | 0.00200 |
| soups | 0.00100 |
| sugar substitutes | - |
| sweet sauces | - |
| Dairy products, excluding products of category 02.0 (01.0) | 0.40000 |
| Fats and oils, and fat emulsions (type water-in-oil) (02.0) | 0.10000 |
| Edible ices, including sherbet and sorbet (03.0) | 0.40000 |
| Processed fruit (04.1) | 0.40000 |
| Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2) | - |
| Confectionery (05.0) | 1.00000 |
| Chewing gum (05.3) | - |
| Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0) | 0.20000 |
| Bakery wares (07.0) | 2.00000 |
| Meat and meat products, including poultry and game (08.0) | 0.20000 |
| Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0) | 0.20000 |
| Eggs and egg products (10.0) | - |
| Sweeteners, including honey (11.0) | - |
| Salts, spices, soups, sauces, salads, protein products, etc. (12.0) | 0.10000 |
| Foodstuffs intended for particular nutritional uses (13.0) | 0.20000 |
| Non-alcoholic ("soft") beverages, excl. dairy products (14.1) | - |
| Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2) | 1.00000 |
| Ready-to-eat savouries (15.0) | 1.00000 |
| Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0) | 0.20000 |
BOC Sciences
Best of Chemicals Supplier
Quality supplier of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecul...
Penta International Corporation
Chemistry innovation
At Penta, our products and services help businesses do business better.
Potential Uses
Natural Occurrence
Synonyms
1-(3,4-
dihydro-2H-pyrrol-5-yl)ethanone
1-(4,5-
dihydro-3H-pyrrol-2-yl)ethanone
ethanone, 1-(3,4-dihydro-2H-pyrrol-5-yl)-
ketone, methyl 1-pyrrolin-2-yl
Info:
FILBERTONE
PubMed:
Characterization of odor-active compounds in sweet-type Chinese rice wine by aroma extract dilution analysis with special emphasis on sotolon.
Info:
aliphatic and aromatic amines and amides
PubMed:
Key aroma compounds in roasted in-shell peanuts.
PubMed:
Study to elucidate formation pathways of selected roast-smelling odorants upon extrusion cooking.
PubMed:
Characterization of the key odorants in pan-fried white mushrooms (Agaricus bisporus L.) by means of molecular sensory science: comparison with the raw mushroom tissue.
PubMed:
Identification of aroma active compounds of cereal coffee brew and its roasted ingredients.
PubMed:
Influence of endogenous ferulic acid in whole wheat flour on bread crust aroma.
PubMed:
Quantification of 2-acetyl-1-pyrroline in rice by stable isotope dilution assay through headspace solid-phase microextraction coupled to gas chromatography-tandem mass spectrometry.
PubMed:
Changes in the key odorants of Italian Hazelnuts ( Coryllus avellana L. Var. Tonda Romana) induced by roasting.
PubMed:
Decoding the key aroma compounds of a Hungarian-type salami by molecular sensory science approaches.
PubMed:
Comparison of the key aroma compounds in organically grown, raw West-African peanuts (Arachis hypogaea) and in ground, pan-roasted meal produced thereof.
PubMed:
Comparison of odor-active compounds from six distinctly different rice flavor types.
PubMed:
Aroma components of American country ham.
PubMed:
Characterization of volatile aroma compounds in cooked black rice.
PubMed:
Effect of cold storage and packaging material on the major aroma components of sweet cream butter.
PubMed:
Instrumental and sensory characterization of heat-induced odorants in aseptically packaged soy milk.
PubMed:
Characterization of dried whey protein concentrate and isolate flavor.
PubMed:
Identification of potent odorants formed during the preparation of extruded potato snacks.
PubMed:
Identification of potent odorants in different green tea varieties using flavor dilution technique.
PubMed:
Comparison of key aroma compounds in cooked brown rice varieties based on aroma extract dilution analyses.
PubMed:
Aroma-active components of nonfat dry milk.
PubMed:
Changes in the odorants of boiled carp fillet (Cyprinus carpio L.) as affected by increasing methionine levels in feed.
PubMed:
Volatile flavor components of rice cakes.