3-methyl-2-cyclopenten-1-one
1-methyl-1-cyclopenten-3-one
Identification
| Name | 3-methyl-2-cyclopenten-1-one |
| IUPAC | 3-methylcyclopent-2-en-1-one |
| CAS Number | 2758-18-1 |
| EINECS | 220-421-5 |
| FDA UNII | 6V7RSW7273 |
| Molecular Formula | C6 H8 O |
| Molecular Weight | 96.12896000 |
| MDL Number | MFCD00001403 |
| Nikkaji Number | J22.870B |
| Beilstein | 1280476 |
| CoE Number | 11137 |
Regulatory
| JECFA Food Flavoring | 1105 1-methyl-1-cyclopenten-3-one |
| DG SANTE Food Flavourings | 07.112 3-methyl-2-cyclopenten-1-one |
| FEMA Number | 3435 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF) | 2758-18-1 ; 1-METHYL-1-CYCLOPENTEN-3-ONE |
Physical Properties
| Appearance | colorless to brown clear liquid (est) |
| Assay | 98.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 0.96800 to 0.97500 @ 25.00 °C. |
| Pounds per Gallon - (est). | 8.055 to 8.113 |
| Refractive Index | 1.48500 to 1.49100 @ 20.00 °C. |
| Melting Point | 3.00 to 5.00 °C. @ 760.00 mm Hg |
| Boiling Point | 74.00 °C. @ 15.00 mm Hg, 157.00 to 158.00 °C. @ 760.00 mm Hg |
| Vapor Pressure | 2.741000 mmHg @ 25.00 °C. (est) |
| Flash Point | 150.00 °F. TCC ( 65.56 °C. ) |
| logP (o/w) | 0.301 (est) |
| Soluble in | alcohol |
Organoleptic Properties
| Odor Description | at 1.00 % in dipropylene glycol. |
Safety Information
| Preferred SDS | View |
| 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 3-methyl-2-cyclopenten-1-one usage levels up to | not for fragrance use. |
| Maximised Survey-derived Daily Intakes (MSDI-EU) | 0.06 (μg/capita/day) |
| Maximised Survey-derived Daily Intakes (MSDI-USA) | ND (μg/capita/day) |
| Structure Class | II |
| baked goods | - |
| beverages(nonalcoholic) | - |
| beverages(alcoholic) | - |
| breakfast cereal | - |
| cheese | - |
| chewing gum | - |
| condiments / relishes | - |
| confectionery froastings | - |
| egg products | - |
| fats / oils | - |
| fish products | - |
| frozen dairy | - |
| fruit ices | - |
| gelatins / puddings | - |
| granulated sugar | - |
| gravies | - |
| hard candy | - |
| 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 | - |
| soups | - |
| sugar substitutes | - |
| sweet sauces | - |
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