2-acetyl-5-methyl pyrrole

1-(5-methyl-1H-pyrrol-2-yl)ethanone

CAS: 6982-72-5 C7 H9 N O MW: 123.15493000 earthy bitter

Identification

Name2-acetyl-5-methyl pyrrole
IUPAC1-(5-methyl-1H-pyrrol-2-yl)ethanone
CAS Number6982-72-5
FDA UNIISearch
Molecular FormulaC7 H9 N O
Molecular Weight123.15493000
Nikkaji NumberJ40.163C

Regulatory

DG SANTE Food Flavourings14.085 2-acetyl-5-methylpyrrole

Physical Properties

Assay 95.00 to 100.00
Food Chemicals Codex Listed No
Melting Point 88.00 °C. @ 760.00 mm Hg
Boiling Point 234.00 to 235.00 °C. @ 760.00 mm Hg
Vapor Pressure 0.040000 mmHg @ 25.00 °C. (est)
Flash Point 220.00 °F. TCC ( 104.60 °C. ) (est)
logP (o/w) 1.337 (est)
Soluble in alcohol
Insoluble in water
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Organoleptic Properties

Odor Description at 0.10 % in propylene glycol.
Taste Description bitter earthy roasted

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-5-methyl pyrrole usage levels up tonot for fragrance use.
Maximised Survey-derived Daily Intakes (MSDI-EU)0.0012 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI)400 (μg/person/day)
Threshold of Concern540 (μg/person/day)
Structure ClassII
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)0.20000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2)-
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 coffee FL meat

Natural Occurrence

coffee - 0.3 mg/kg PMC malt - 0.02 mg/kg PMC

Synonyms

2- acetyl-5-methylpyrrole ethanone, 1-(5-methyl-1H-pyrrol-2-yl)- 5- methyl pyrrol-2-yl ketone 1-(5- methyl pyrrol-2-yl) ethanone 1-(5- methyl-1H-pyrrol-2-yl)ethanone Try the PubMed Search.