Citronellyl Nitrile is a clear colorless liquid with lemon and citrus odor. It is prepared by using citronellal as raw material to produce aldehyde oxime by oximation reaction, and then through heating dehydration in the presence of acetic anhydride. Citronellyl Nitrile is used extensively as a fragrance ingredient. Citronellyl Nitrile is the substitute of citronellal.