Ethyl cyanoacetate, an organic compound with the chemical formula C₅H₇NO₂, is a colorless liquid. It is slightly soluble in water, soluble in alkaline solutions and ammonia water, and miscible with ethanol and diethyl ether. It is primarily used in organic synthesis, the pharmaceutical industry, and the dye industry.
| Chemical Name | Ethyl cyanoacetate |
| Chemical Formula | C4H5NO2 |
| CAS | 105-34-0 |
| Appearance | Colorless to slightly yellow transparent liquid |
| Melting point | -13.07ºC |
| Boiling point | 205.09ºC |
| Density（ρ20）, g/cm³ | 1.1225 |
| Molecular Weight | 99.09 |
| Solubility | Ethanol and diethyl ether are miscible, but insoluble in water. |
Primarily used in organic synthesis, the pharmaceutical industry, and the dye industry.
Store in a cool, well-ventilated warehouse. Keep away from sources of ignition and heat. Maintain container seals. Store separately from oxidizing agents, reducing agents, acids, alkalis, and food-grade chemicals; do not store together. Equip with appropriate types and quantities of firefighting equipment. The storage area should be equipped with emergency leak response equipment and suitable containment materials.
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