(e)-alpha-crotonicacidethyleste
trans-Ethyl crotonate
CAS: 623-70-1;10544-63-5
Molecular Formula: C6H10O2
(e)-alpha-crotonicacidethyleste - Names and Identifiers
| Name | trans-Ethyl crotonate |
| Synonyms | Ethyl crotonate Ethyl but-2-enoate Crotonate D'ethyle (e)-crotonated'ethyl trans-Ethyl crotonate ethyl (2E)-but-2-enoate ethyl (2Z)-but-2-enoate Crotonic acid ethyl ester 2-Butenoic acid methyl ester 2-butenoic acid, ethyl ester ETHYL CROTONATE FOR SYNTHESIS (e)-alpha-crotonicacidethyleste (E)-2-Butenoic acid ethyl ester alpha-Crotonic acid ethyl ester |
| CAS | 623-70-1 10544-63-5 |
| EINECS | 210-808-7 |
| InChI | InChI=1/C6H10O2/c1-3-5-6(7)8-4-2/h3,5H,4H2,1-2H3/b5-3+ |
| InChIKey | ZFDIRQKJPRINOQ-HWKANZROSA-N |
(e)-alpha-crotonicacidethyleste - Physico-chemical Properties
| Molecular Formula | C6H10O2 |
| Molar Mass | 114.14 |
| Density | 0.918g/mLat 25°C(lit.) |
| Melting Point | 37.22°C (estimate) |
| Boling Point | 142-143°C(lit.) |
| Flash Point | 36°F |
| JECFA Number | 1806 |
| Water Solubility | INSOLUBLE |
| Vapor Presure | 65 hPa (50 °C) |
| Vapor Density | 3.9 (vs air) |
| Appearance | Liquid |
| Color | Clear colorless |
| Merck | 14,2597 |
| BRN | 635834 |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Highly flammable. Incompatible with strong oxidizing agents. |
| Refractive Index | n20/D 1.424(lit.) |
| Physical and Chemical Properties | Colorless to light yellow liquid. Boiling point 136 degrees C, flash point 22 degrees Celsius. It has a strong acid-burning aroma and fruit aroma, with a flavor of rum and ether. Natural products are found in apples, papaya, strawberries, rum, wine, and cocoa. |
(e)-alpha-crotonicacidethyleste - Risk and Safety
| Risk Codes | R11 - Highly Flammable R34 - Causes burns R36 - Irritating to the eyes |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S9 - Keep container in a well-ventilated place. S33 - Take precautionary measures against static discharges. |
| UN IDs | UN 1862 3/PG 2 |
| WGK Germany | 2 |
| RTECS | GQ3500000 |
| TSCA | Yes |
| HS Code | 29161980 |
| Hazard Class | 3 |
| Packing Group | II |
| Toxicity | LD50 orally in Rabbit: 3000 mg/kg |
(e)-alpha-crotonicacidethyleste - Reference Information
| FEMA | 3486 | ETHYL TRANS-2-BUTENOATE |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | GB 2760-1997 specifies the permitted use of food flavors. Mainly used for the preparation of fruit and wine flavor. used as intermediates in organic synthesis, solvent, paint softener. |
| production method | is obtained by esterification of crotonic acid with ethanol. From crotonic acid and ethanol in the presence of concentrated sulfuric acid esterification. |
Last Update：2024-04-10 22:29:15
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