ethyl (2E)-2-methylbut-2-enoate
ethyl tiglate
CAS: 5837-78-5
Molecular Formula: C7H12O2
ethyl (2E)-2-methylbut-2-enoate - Names and Identifiers
| Name | ethyl tiglate |
| Synonyms | ethyl tiglate RARECHEM AL BI 0126 ethyl 2-methylcrotonate TIGLIC ACID ETHYL ESTER (E)-Ethyl-2-methyl-2-butenoate ethyl (2E)-2-methylbut-2-enoate (e)-2-methyl-2-butenoicacidethylester 2-methyl-,ethylester,(e)-2-butenoicaci 2-Butenoic acid, 2-methyl-, ethyl ester, (E)- Ethyl trans-2,3-dimethylacrylate~Ethyl (E)-2-methyl-2-butenoate~Tiglic acid ethyl ester |
| CAS | 5837-78-5 |
| EINECS | 227-425-6 |
| InChI | InChI=1/C7H12O2/c1-4-6(3)7(8)9-5-2/h4H,5H2,1-3H3/b6-4+ |
ethyl (2E)-2-methylbut-2-enoate - Physico-chemical Properties
| Molecular Formula | C7H12O2 |
| Molar Mass | 128.17 |
| Density | 0.923 g/mL at 25 °C (lit.) |
| Melting Point | -62.68°C (estimate) |
| Boling Point | 154-156 °C (lit.) |
| Flash Point | 112°F |
| JECFA Number | 1824 |
| Vapor Presure | 4.27mmHg at 25°C |
| Appearance | clear liquid |
| Color | Colorless to Almost colorless |
| Merck | 14,9433 |
| BRN | 1720895 |
| Storage Condition | Flammables area |
| Stability | Stable. Flammable. Incompatible with strong oxidizing agents, strong bases. |
| Refractive Index | n20/D 1.435(lit.) |
| Physical and Chemical Properties | Colorless to light yellow liquid, with mushroom-like aroma. Boiling point 156 °c. Relative density (d416.8)0.9239, refractive index (nD16.8)1.4347. Slightly soluble in water, soluble in most organic solvents. |
ethyl (2E)-2-methylbut-2-enoate - Risk and Safety
| Risk Codes | 10 - Flammable |
| Safety Description | S16 - Keep away from sources of ignition. S27 - Take off immediately all contaminated clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 3272 3/PG 3 |
| WGK Germany | 2 |
| RTECS | EM9252700 |
| TSCA | Yes |
| HS Code | 29161900 |
| Hazard Class | 3 |
| Packing Group | III |
ethyl (2E)-2-methylbut-2-enoate - Reference Information
| FEMA | 2460 | ETHYL TIGLATE |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| toxicity | can be safely used in food (FDA, 172.515,2000). |
| usage limit | FEMA(mg/kg): soft drink 5.3; Cold drink 6.0; Baked food 6.5; Candy 20. |
| use | GB 2760-1996 stipulates that it is allowed to use food spices. |
| production method | is formed by direct esterification of timonic acid and ethanol in the presence of concentrated sulfuric acid. |
Last Update：2024-04-09 20:52:54
