4-[(2-Cyanoethyl)methylamino]benzaldehyde(CAS: 94-21-3)

4-[(2-Cyanoethyl)methylamino]benzaldehyde (CAS: 94-21-3) is a crystalline solid with a molecular weight of approximately 242.21 g/mol. It has a pKa of 9.3 and solubility in water of 0.03 g/L at 25°C. This compound is moderately reactive, especially under acidic conditions, and can undergo electrophilic aromatic substitution reactions.

4-[(2-Cyanoethyl)methylamino]benzaldehyde (CAS: 94-21-3) can be synthesized via the condensation of 2-cyanoethyl methyl amine with benzaldehyde using an acidic catalyst like hydrochloric acid. The yield is around 75%, and the method yields a highly pure product with excellent selectivity.

4-[(2-Cyanoethyl)methylamino]benzaldehyde (CAS: 94-21-3) is primarily used in the pharmaceutical industry as a precursor for drug synthesis. It also finds applications in the chemical industry for the production of dyes and pigments, as well as in the analytical field for its use as an analytical reagent.

Proper personal protective equipment (PPE) should be worn when handling 4-[(2-Cyanoethyl)methylamino]benzaldehyde (CAS: 94-21-3), including gloves, goggles, and lab coat. Store in a cool, well-ventilated area away from heat sources. Use in a fume hood to minimize exposure. In case of spill, neutralize with a base and dispose of according to local regulations. Refer to the Safety Data Sheet (SDS) for detailed handling instructions.