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2-pentenal
General Material Information
| Preferred name | 2-pentenal |
| Trivial Name | 2-Pentenal |
| Short Description | 3-ethyl-2-propenal |
| Formula | C5 H8 O |
| CAS Number | 764-39-6 |
| FEMA Number | 3218 |
| Flavis Number | 5.102 |
| ECHA Number | 212-120-2 |
| FDA UNII | Search |
| COE Number | 10375 |
| xLogP3-AA | 1.00 (est) |
| NMR Predictor | External link |
| JECFA Food Flavoring | 1364 2-pentenal |
| FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm | 764-39-6 ; 2-PENTENAL |
| Synonyms |
|
US / EU / FDA / JECFA / FEMA / Scholar / Patents
| 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 |
Literature & References
| pent-2-enal | |
| NIST Chemistry WebBook: | Search Inchi |
| Canada Domestic Sub. List: | 764-39-6 |
| Pubchem (cid): | 12993 |
| Pubchem (sid): | 134977743 |
Other Information
| (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 |
| CHEBI: | View |
| HMDB (The Human Metabolome Database): | HMDB31601 |
| FooDB: | FDB008233 |
| VCF-Online: | VCF Volatile Compounds in Food |
| ChemSpider: | View |
PhysChem Properties
| Material listed in food chemical codex | No |
| Molecular weight | 84.117958068848 |
| Specific gravity | @ 21 °C |
| Pounds per Gallon | 7.073 to 7.123 |
| Refractive Index | 1.44 to 1.447 @ 21 °C |
| Boiling Point | 123 to 124°C @ 760 mm Hg |
| Acid Value | 5 max KOH/g |
| Vapor Pressure | 11.451 mmHg @ 25 °C |
| Flash Point TCC Value | 22.78 °C TCC |
| logP (o/w) | 1.281 est |
| Solubility | |
| alcohol | Yes |
| water, 1.498e+004 mg/L @ 25 °C (est) | Yes |
| water | No |
Organoleptic Properties
| Odor Type: Green | |
| pungent, green, apple, orange, tomato | |
| General comment | At 1.00 % in dipropylene glycol. pungent green apple orange tomato |
Occurrences
| (data available) |
Potential Uses
| Applications | |
| Odor purposes | Apple, Green, Orange, Pear, Pineapple |
| Flavoring purposes | Tomato |
| Other purposes | Topnotes |
Safety Information
Safety information
| Preferred SDS: View | |
| European information : | |
| Most important hazard(s): | |
| Xi - Irritant | |
| R 10 - Flammable. R 36/37/38 - Irritating to eyes, respiratory system, and skin. S 02 - Keep out of the reach of children. S 16 - Keep away from sources of ignition - No Smoking. S 24/25 - Avoid contact with skin and eyes. S 29 - Do not empty into drains. S 37/39 - Wear suitable gloves and eye/face protection. | |
| Hazards identification | |
| Classification of the substance or mixture | |
| GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) | |
| None found. | |
| GHS Label elements, including precautionary statements | |
| Pictogram | |
| Hazard statement(s) | |
| None found. | |
| Precautionary statement(s) | |
| None found. | |
| Oral/Parenteral Toxicity: | |
| intraperitoneal-mouse LD50 244 mg/kg Personal Communication from H. Zollner, Institut fur Biochemie, Der Universitat, Gras, Oct. 23, 1975Vol. 23OCT1975 | |
| Dermal Toxicity: | |
| Not determined | |
| Inhalation Toxicity: | |
| Not determined | |
Safety in use information
| 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 2-pentenal usage levels up to: | |||
| 0.5000 % in the fragrance concentrate. | |||
| Maximised Survey-derived Daily Intakes (MSDI-EU): | 0.37 (μg/capita/day) | ||
| Maximised Survey-derived Daily Intakes (MSDI-USA): | 0.10 (μg/capita/day) | ||
| Modified Theoretical Added Maximum Daily Intake (mTAMDI): | 1500 (μg/person/day) | ||
| Threshold of Concern: | 1800 (μg/person/day) | ||
| Structure Class: | I | ||
| 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: 4 | |||
| Click here to view publication 4 | |||
| average usual ppm | average maximum ppm | ||
| baked goods: | - | - | |
| beverages(nonalcoholic): | - | 10.00000 | |
| beverages(alcoholic): | - | - | |
| breakfast cereal: | - | - | |
| cheese: | - | - | |
| chewing gum: | - | - | |
| condiments / relishes: | - | - | |
| confectionery froastings: | - | - | |
| egg products: | - | - | |
| fats / oils: | - | - | |
| fish products: | - | - | |
| frozen dairy: | - | - | |
| fruit ices: | - | - | |
| gelatins / puddings: | - | 10.00000 | |
| granulated sugar: | - | - | |
| gravies: | - | - | |
| hard candy: | - | 10.00000 | |
| 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: | - | - | |
| Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFSA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFSA, 2002i). | |||
| Note: mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm. | |||
| average usage mg/kg | maximum usage mg/kg | ||
| Dairy products, excluding products of category 02.0 (01.0): | 3.70000 | 7.19000 | |
| Fats and oils, and fat emulsions (type water-in-oil) (02.0): | - | - | |
| Edible ices, including sherbet and sorbet (03.0): | - | - | |
| Processed fruit (04.1): | - | - | |
| Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): | - | - | |
| Confectionery (05.0): | 6.50000 | 12.90000 | |
| Chewing gum (05.3): | - | - | |
| Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): | 2.32000 | 4.44000 | |
| Bakery wares (07.0): | 7.08000 | 13.47000 | |
| Meat and meat products, including poultry and game (08.0): | - | - | |
| Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): | - | - | |
| Eggs and egg products (10.0): | - | - | |
| Sweeteners, including honey (11.0): | - | - | |
| Salts, spices, soups, sauces, salads, protein products, etc. (12.0): | - | - | |
| Foodstuffs intended for particular nutritional uses (13.0): | - | - | |
| Non-alcoholic ("soft") beverages, excl. dairy products (14.1): | 1.01000 | 2.02000 | |
| Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): | 2.00000 | 4.00000 | |
| Ready-to-eat savouries (15.0): | - | - | |
| Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): | - | - | |
Safety references
| 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): |
| EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF) View page or View pdf |
| Scientific Opinion on Flavouring Group Evaluation 200, Revision 1 (FGE.200 Rev.1): 74 a,ß-unsaturated aliphatic aldehydes and precursors from chemical subgroup 1.1.1 of FGE.19 View page or View pdf |
| Scientific Opinion on Flavouring Group Evaluation 71 Revision 1 (FGE.71Rev1): consideration of aliphatic, linear, a,ß-unsaturated alcohols, aldehydes, carboxylic acids, and related esters evaluated by JECFA (63rd and 69th meeting) structurally related to flavouring substances evaluated in FGE.05Rev3 View page or View pdf |
| EPI System: View |
| Chemical Carcinogenesis Research Information System:Search |
| AIDS Citations:Search |
| Cancer Citations:Search |
| Toxicology Citations:Search |
| EPA Substance Registry Services (TSCA):764-39-6 |
| EPA ACToR:Toxicology Data |
| EPA Substance Registry Services (SRS):Registry |
| Laboratory Chemical Safety Summary :12993 |
| National Institute of Allergy and Infectious Diseases:Data |
| WGK Germany:3 |
| pent-2-enal |
| Chemidplus:0000764396 |