| Preferred name | methyl undecylenate |
| Trivial Name | Methyl 9-undecenoate |
| Short Description | methyl 9-undecenoate |
| Formula | C12 H22 O2 |
| CAS Number | 5760-50-9 |
| FEMA Number | 2750 |
| Flavis Number | 9.236 |
| ECHA Number | 227-279-3 |
| FDA UNII | 9SE6CRD113 |
| Nikkaji Number | J61.755E |
| COE Number | 2101 |
| xLogP3-AA | 3.90 (est) |
| NMR Predictor | External link |
| JECFA Food Flavoring | 342 methyl 9-undecenoate |
| FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm | 5760-50-9 ; METHYL 9-UNDECENOATE |
| Synonyms |
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| 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): | HMDB37305 |
| FooDB: | FDB016324 |
| ChemSpider: | View |
| Material listed in food chemical codex | No |
| Molecular weight | 198.30574035645 |
| Specific gravity | @ 25 °C |
| Pounds per Gallon | 7.314 to 7.397 |
| Refractive Index | 1.425 to 1.445 @ 20 °C |
| Melting Point | -28 to -27°C @ 760 mm Hg |
| Boiling Point | 247 to 248°C @ 760 mm Hg |
| Boiling Point | 159 to 160°C @ 50 mm Hg |
| Acid Value | 1 max KOH/g |
| Vapor Pressure | 0.019 mmHg @ 25 °C |
| Flash Point TCC Value | 93.33 °C TCC |
| logP (o/w) | 4.441 est |
| Shelf life | 24 months (or longer if stored properly.) |
| Storage notes | Store in cool, dry place in tightly sealed containers, protected from heat and light. |
| Solubility | |
| alcohol | Yes |
| dipropylene glycol | Yes |
| paraffin oil | Yes |
| water, 5.496 mg/L @ 25 °C (est) | Yes |
| water | No |
| Odor Type: Earthy | |
| earthy, fungal, rose, fatty, floral, waxy | |
| Odor strength | medium |
| Substantivity | 24 hour(s) at 100.00 % |
| Luebke, William tgsc, (1998) | At 100.00 %. earthy fungal rose fatty floral |
| Flavor Type: Waxy | |
| waxy, oily, fatty, earthy, metallic, floral, fungal, soapy | |
| Luebke, William tgsc, (1998) | Waxy oily fatty earthy metallic floral fungal soapy |
| European information : | |
| Most important hazard(s): | |
| Xi - Irritant | |
| R 42/43 - May cause sensitization by inhalation and skin contact. S 02 - Keep out of the reach of children. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 36 - Wear suitable protective clothing. | |
| Hazards identification | |
| Classification of the substance or mixture | |
| GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) | |
| Acute toxicity, Oral (Category 4), H302; Acute toxicity, Inhalation (Category 4), H332 Acute aquatic toxicity (Category 1), H400 Chronic aquatic toxicity (Category 1), H410 | |
| GHS Label elements, including precautionary statements | |
| Pictogram | ![]() |
| Signal word | Warning |
| Hazard statement(s) | |
| H302 + H332 - Harmful if swallowed or if inhaled H400 - Very toxic to aquatic life H410 - Very toxic to aquatic life with long lasting effects | |
| Precautionary statement(s) | |
| P261 - Avoid breathing dust/fume/gas/mist/vapours/spray. P264 - Wash skin thouroughly after handling. P270 - Do not eat, drink or smoke when using this product. P271 - Use only outdoors or in a well-ventilated area. P273 - Avoid release to the environment. P301 + P312 - IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P304 + P340 - IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P312 - Call a POISON CENTER or doctor/physician if you feel unwell. P330 - Rinse mouth. P391 - Collect spillage. Hazardous to the aquatic environment P501 - Dispose of contents/ container to an approved waste disposal plant. | |
| Human Experience: | |
| 12 % solution: no irritation or sensitization. | |
| Oral/Parenteral Toxicity: | |
| oral-rat LD50 [sex: M] 3000 mg/kg (Moreno, 1977b) oral-rat LD50 3000 mg/kg Food and Chemical Toxicology. Vol. 20, Pg. 767, 1982. | |
| Dermal Toxicity: | |
| skin-rabbit LD50 > 5000 mg/kg Food and Chemical Toxicology. Vol. 20, Pg. 767, 1982. skin-rabbit LD50 > 5000 mg/kg Food and Chemical Toxicology. Vol. 20, Pg. 767, 1982. | |
| Inhalation Toxicity: | |
| Not determined | |
| Category: | |||
| flavor and fragrance agents | |||
| RIFM Fragrance Material Safety Assessment: Search | |||
| IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice | |||
| Recommendation for methyl undecylenate usage levels up to: | |||
| 8.0000 % in the fragrance concentrate. | |||
| Maximised Survey-derived Daily Intakes (MSDI-EU): | 34.00 (μg/capita/day) | ||
| 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: 3 | |||
| Click here to view publication 3 | |||
| average usual ppm | average maximum ppm | ||
| baked goods: | - | 22.00000 | |
| beverages(nonalcoholic): | - | 3.70000 | |
| beverages(alcoholic): | - | - | |
| breakfast cereal: | - | - | |
| cheese: | - | - | |
| chewing gum: | - | - | |
| condiments / relishes: | - | - | |
| confectionery froastings: | - | - | |
| egg products: | - | - | |
| fats / oils: | - | - | |
| fish products: | - | - | |
| frozen dairy: | - | 6.70000 | |
| fruit ices: | - | 6.70000 | |
| gelatins / puddings: | - | - | |
| granulated sugar: | - | - | |
| gravies: | - | - | |
| hard candy: | - | 22.00000 | |
| 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: | - | - | |
| European Food Safety Athority(EFSA):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... |
| European Food Safety Authority (EFSA) reference(s): |
| Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) related to Flavouring Group Evaluation 6 (FGE.06): Straight-and branched-chain aliphatic unsatured primary alcohols, aldehydes, carboxylic acids, and esters from chemical groups 1 and 4 View page or View pdf |
| Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) on a request from the Commission related to Flavouring Group Evaluation 5: Esters of 23 branched- and straight-chain aliphatic saturated primary alcohols and of one secondary alcohol, and 24 branched- and straight-chain unsaturated carboxylic acids from chemical groups 1, 2, and 5 View page or View pdf |
| Flavouring Group Evaluation 6, Revision 1 (FGE.06Rev1) - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) View page or View pdf |
| Flavouring Group Evaluation 5, Revision 1 (FGE.05Rev1):Esters of branched- and straight-chain aliphatic saturated primary alcohols and of one secondary alcohol, and branched- and straight-chain unsaturated carboxylic acids from chemical groups 1, 2, and 5 (Commission Regulation (EC) No 1565/2000 of 18 July 2000) [1] - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) View page or View pdf |
| Flavouring Group Evaluation 5, Revision 2 (FGE.05Rev2): Branched- and straight-chain unsaturated carboxylic acids and esters of these with aliphatic saturated alcohols from chemical groups 1, 2, 3 and 5 View page or View pdf |
| EPI System: View |
| AIDS Citations:Search |
| Cancer Citations:Search |
| Toxicology Citations:Search |
| EPA Substance Registry Services (TSCA):5760-50-9 |
| EPA ACToR:Toxicology Data |
| EPA Substance Registry Services (SRS):Registry |
| Laboratory Chemical Safety Summary :6435903 |
| National Institute of Allergy and Infectious Diseases:Data |
| WGK Germany:3 |
| methyl (E)-undec-9-enoate |
| Chemidplus:0005760509 |