2-cyano-3-ethoxy-2-propenoicaciethylester
Ethyl (ethoxymethylene)cyanoacetate
CAS: 94-05-3
Molecular Formula: C8H11NO3
2-cyano-3-ethoxy-2-propenoicaciethylester - Names and Identifiers
2-cyano-3-ethoxy-2-propenoicaciethylester - Physico-chemical Properties
| Molecular Formula | C8H11NO3 |
| Molar Mass | 169.18 |
| Density | 1.2435 (rough estimate) |
| Melting Point | 49-51°C(lit.) |
| Boling Point | 190-191°C30mm Hg(lit.) |
| Flash Point | >230°F |
| Water Solubility | <0.01 g/L (20 ºC) |
| Solubility | Chloroform, Methanol |
| Vapor Presure | 0.00084mmHg at 25°C |
| Appearance | Bright yellow crystalline powder |
| Color | White to yellow |
| BRN | 878814 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.5100 (estimate) |
| MDL | MFCD00009136 |
| Physical and Chemical Properties | Flash point: 130 ℃
|
| Use | For organic synthesis and pharmaceutical intermediates |
2-cyano-3-ethoxy-2-propenoicaciethylester - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R42/43 - May cause sensitization by inhalation and skin contact. R41 - Risk of serious damage to eyes R37/38 - Irritating to respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | 3276 |
| WGK Germany | 1 |
| TSCA | Yes |
| HS Code | 29269090 |
| Hazard Note | Toxic |
| Hazard Class | 6.1 |
| Packing Group | III |
2-cyano-3-ethoxy-2-propenoicaciethylester - Reference Information
| LogP | 1.376 at 25℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| purpose | for use in organic synthesis and pharmaceutical intermediates |
| production method | ethyl cyanoacetate, triethyl orthoformate and acetic anhydride were sequentially added to the reaction pot, stirred and heated to 140 ℃, and refluxed for 4 hours, distillation was performed under reduced pressure until there was no distillate. Cooling, crystallization, filtration, washing with an appropriate amount of ethanol and drying gave ethyl ethoxymethylcyanoacetate. |
Last Update：2024-04-09 02:00:12
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