2-acetyl-1-pyrroline

ethanone, 1-(3,4-dihydro-2H-pyrrol-5-yl)-

C6 H9 N O MW: 111.14393000 popcorn

Identification

Name2-acetyl-1-pyrroline
IUPAC1-(3,4-dihydro-2H-pyrrol-2-yl)ethanone
FDA UNIIIGC0W6LY94
Molecular FormulaC6 H9 N O
Molecular Weight111.14393000
Nikkaji NumberJ487.706C
CoE Number1408

Regulatory

JECFA Food Flavoring2-acetyl-1-pyrroline
DG SANTE Food Flavourings14.080 2-acetyl-1-pyrroline
FEMA Number4249
FDANo 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 ToxicityNot determined
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categoryflavoring agents
Recommendation for 2-acetyl-1-pyrroline usage levels up tonot 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 Concern540 (μg/person/day)
Structure ClassII
baked goods0.01000
beverages(nonalcoholic)0.00100
beverages(alcoholic)0.00100
breakfast cereal0.01000
cheese0.00200
chewing gum-
condiments / relishes0.01000
confectionery froastings0.01000
egg products0.00500
fats / oils0.00200
fish products0.00500
frozen dairy0.00100
fruit ices-
gelatins / puddings0.00100
granulated sugar-
gravies0.00500
hard candy0.00400
imitation dairy0.00100
instant coffee / tea0.01000
jams / jellies-
meat products0.00500
milk products0.00100
nut products0.00200
other grains0.00100
poultry0.01000
processed fruits-
processed vegetables-
reconstituted vegetables-
seasonings / flavors0.00500
snack foods0.00500
soft candy0.00200
soups0.00100
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

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Potential Uses

FL cereal FL cheese FL dairy FL fish FR fruit FR popcorn

Natural Occurrence

bread wheat bread PMC ham PbMd PMC hazelnut rice black rice cooked PbMd PMC rice cooked rice PbMd PMC

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.