Methyl cyanoacetate is an organic compound with an active methylene group, the chemical formula C₄H₅NO₂. It contains both a nitrile and an ester functional group, and is a colorless liquid at room temperature. This compound can be prepared by the esterification of cyanoacetic acid with methanol or by the cyanidation of methyl chloroacetate.
| Chemical Name | Methyl Cyanoacetate |
| Chemical Formula | C4H5NO2 |
| CAS Number | 105-34-0 |
| Appearance | Colorless to slightly yellow transparent liquid |
| Melting Point | -13.07℃ |
| Boiling Point | 205.09℃ |
| Density (×20), g/cm³ | 1.1225 |
| Molecular Weight | 99.09 |
| Solubility | Miscible with ethanol and ether, insoluble in water. |
Mainly used as an intermediate in organic synthesis, pharmaceuticals, and dyes.
Store in a cool, well-ventilated warehouse. Keep away from fire and heat sources. Store separately from oxidizers; do not mix with other substances. Equip the storage area with appropriate types and quantities of fire-fighting equipment. The storage area should be equipped with spill response equipment and suitable containment materials. This product is flammable and toxic; keep away from fire sources during storage and transportation.
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