(E)-2-butenoic acid
trans-crotonic acid
Identification
| Name | (E)-2-butenoic acid |
| IUPAC | (E)-but-2-enoic acid |
| CAS Number | 107-93-7 |
| EINECS | 203-533-9 |
| FDA UNII | YW5WZZ4O5Q |
| Molecular Formula | C4 H6 O2 |
| Molecular Weight | 86.09022000 |
| MDL Number | MFCD00002701 |
| Nikkaji Number | J367K |
| Beilstein | 1719943 |
| XlogP3 | 0.70 (est) |
Regulatory
| JECFA Food Flavoring | 1371 (E)-2-butenoic acid |
| FEMA Number | 3908 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
Physical Properties
| Appearance | white solid (est) |
| Assay | 98.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 1.02700 @ 25.00 °C. |
| Melting Point | 72.00 °C. @ 760.00 mm Hg |
| Boiling Point | 184.70 °C. @ 760.00 mm Hg, 98.00 to 99.00 °C. @ 50.00 mm Hg |
| Vapor Pressure | 0.190000 mmHg @ 20.00 °C. |
| Vapor Density | 2.97 ( Air = 1 ) |
| Flash Point | 190.00 °F. TCC ( 87.78 °C. ) |
| logP (o/w) | 0.658 (est) |
| Soluble in | alcohol |
| Insoluble in | water |
Organoleptic Properties
| Odor Description | at 1.00 %. |
Safety Information
| Preferred SDS | View |
| European information | Most important hazard(s): |
| 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 (E)-2-butenoic acid usage levels up to | not for fragrance use. |
| baked goods | 5.00000 |
| beverages(nonalcoholic) | 2.00000 |
| beverages(alcoholic) | - |
| breakfast cereal | - |
| cheese | - |
| chewing gum | - |
| condiments / relishes | - |
| confectionery froastings | - |
| egg products | - |
| fats / oils | 0.20000 |
| fish products | - |
| frozen dairy | 5.00000 |
| fruit ices | - |
| gelatins / puddings | 5.00000 |
| 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 |
| soups | - |
| sugar substitutes | - |
| sweet sauces | - |
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Penta International Corporation
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Synerzine, Inc.
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Potential Uses
Natural Occurrence
Synonyms
(2E)-
but-2-enoic acid
(E)-
but-2-enoic acid
(2E)-2-
butenoic acid
trans-2-
butenoic acid
2-
butenoic acid, (2E)-
2-
butenoic acid, (E)-
(E)-
crotonic acid
trans-
crotonic acid
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