Butyl cyanoacetate is an important organic synthesis intermediate, typically appearing as a colorless to pale yellow liquid. It is soluble in alcohols but slightly soluble in water. It finds extensive applications in fine chemical industries such as pharmaceuticals, dyes, and adhesives (e.g., as a raw material for 502 glue). It serves as a key precursor for synthesizing various drugs (e.g., vitamin B) and polymeric materials.
| Chemical Name | N-Butyl cyanoacetate |
| Chemical Formula | C7H11NO2 |
| CAS | 5459-58-5 |
| Appearance | Colorless to pale yellow liquid |
| Melting point | -80 |
| Boiling point | 230.7-231.2℃ |
| Density（ρ20）, g/cm³ | 1.001 |
| Molecular Weight | 141.17 |
| Solubility | Miscible with organic solvents such as ethanol; insoluble in water. |
Primarily used as raw materials for organic synthesis and intermediates for pharmaceutical dyes.
Store in a cool, well-ventilated warehouse. Keep away from sources of ignition and heat. Store separately from oxidizing agents; 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. This product is flammable and toxic; keep away from sources of ignition during storage and transportation.
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