| Preferred name | (E)-2-butenoic acid |
| Trivial Name | trans-Crotonic acid |
| Short Description | trans-crotonic acid |
| Formula | C4 H6 O2 |
| CAS Number | 107-93-7 |
| FEMA Number | 3908 |
| ECHA Number | 203-533-9 |
| FDA UNII | YW5WZZ4O5Q |
| Nikkaji Number | J367K |
| Beilstein Number | 1719943 |
| MDL | MFCD00002701 |
| Bio Activity Summary | External link |
| NMR Predictor | External link |
| JECFA Food Flavoring | 1371 (E)-2-butenoic acid |
| FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
| Synonyms |
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| Google Scholar | Start search |
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| Perfumer & Flavorists | Start search |
| EU Patents | Start search |
| PubMeb | Start search |
| NCBI | Start search |
| (E)-but-2-enoic acid | |
| NIST Chemistry WebBook: | Search Inchi |
| Pubchem (cid): | 637090 |
| Pubchem (sid): | 135024879 |
| (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 |
| CHEMBL: | View |
| KEGG (GenomeNet): | C01771 |
| HMDB (The Human Metabolome Database): | HMDB10720 |
| Export Tariff Code: | 2916.19.3000 |
| VCF-Online: | VCF Volatile Compounds in Food |
| ChemSpider: | View |
| Wikipedia: | View |
| Formulations/Preparations: •grade: 97% •technical grade, 98.5% min | |
| BOC Sciences | Carbosynth |
| EMD Millipore | Parchem |
| Penta International | Santa Cruz Biotechnology |
| Sigma-Aldrich: Aldrich | Synerzine |
| TCI AMERICA | Penta International Corporation |
| Material listed in food chemical codex | No |
| Molecular weight | 86.090217590332 |
| Specific gravity | @ 25 °C |
| Pounds per Gallon | |
| Boiling Point | 98 to 99°C @ 50 mm Hg |
| Vapor Pressure | 0.19 mmHg @ 20 °C |
| Vapor Density | 2.97 |
| Flash Point TCC Value | 87.78 °C TCC |
| logP (o/w) | 0.658 est |
| Solubility | |
| alcohol | Yes |
| water, 9.40E+04 mg/L @ 25 °C (exp) | Yes |
| water | No |
| Odor Type: Milky | |
| milky | |
| General comment | At 1.00 %. milky |
| (data available) |
| Preferred SDS: View | |
| European information : | |
| Most important hazard(s): | |
| C - Corrosive. | |
| R 21/22 - Harmful in contact with skin and if swallowed. R 34 - Causes burns. S 02 - Keep out of the reach of children. S 20/21 - When using do not eat, drink or smoke. S 22 - Do not breath dust. S 24/25 - Avoid contact with skin and eyes. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 36/37/39 - Wear suitable clothing, 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: | |
| Not determined | |
| Dermal Toxicity: | |
| Not determined | |
| Inhalation Toxicity: | |
| Not determined | |
| Category: | |||
| flavoring agents | |||
| Recommendation for (E)-2-butenoic acid usage levels up to: | |||
| not for fragrance use. | |||
| 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: 19 | |||
| Click here to view publication 19 | |||
| average usual ppm | average maximum ppm | ||
| baked goods: | 5.00000 | 7.00000 | |
| beverages(nonalcoholic): | 2.00000 | 5.00000 | |
| beverages(alcoholic): | - | - | |
| breakfast cereal: | - | - | |
| cheese: | - | - | |
| chewing gum: | - | - | |
| condiments / relishes: | - | - | |
| confectionery froastings: | - | - | |
| egg products: | - | - | |
| fats / oils: | 0.20000 | 0.50000 | |
| fish products: | - | - | |
| frozen dairy: | 5.00000 | 7.00000 | |
| fruit ices: | - | - | |
| gelatins / puddings: | 5.00000 | 7.00000 | |
| 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: | 5.00000 | 7.00000 | |
| soups: | - | - | |
| sugar substitutes: | - | - | |
| sweet sauces: | - | - | |
| EPI System: View |
| AIDS Citations:Search |
| Cancer Citations:Search |
| Toxicology Citations:Search |
| EPA ACToR:Toxicology Data |
| EPA Substance Registry Services (SRS):Registry |
| Laboratory Chemical Safety Summary :637090 |
| National Institute of Allergy and Infectious Diseases:Data |
| WISER:UN 2823 |
| WGK Germany:3 |
| (E)-but-2-enoic acid |
| Chemidplus:0000107937 |
| RTECS:GQ2800000 for cas# 107-93-7 |