A PROCESS FOR PREPARATION OF Z-9-HEXADECENAL AND Z-9-HEXADECENYL ACETATE The present invention discloses synthetic process for the preparation of vital sex pheromones Z-9-hexadecenal and Z-9-hexadecenyl acetate. In an embodiment, a process for the preparation of sex pheromone Z-9-hexadecenal is provided. In another embodiment a process for the preparation of sex pheromone Z-9-hexadecenyl acetate is provided. The said pheromones serve as an effective tool in pest management for selectively eradicating the insects of a target species/insect while not disturbing the ecological balance in general. However, the Z-9-hexadecenal and Z-9-hexadecenyl acetate are still not used in the mainstream pest managements owing to their high cost and complicated processes for preparing the same. The present invention uses readily available and inexpensive starting materials and has high yield, thereby brings down the cost of preparing the said sex pheromones. Figure 1