... .888-0.892Optical Rotation: -4°~ -5° Usage: Citronella oil can be extracted directly citronellal, geraniol, citronella alcohol, but also ... natural source of spices. General kinds of Java citronella oil containing 35-40% citronellal, citronellol 20-25%, 15-20 ... Can be restored to citronellal citronellol, citronella oil directly to many of perfumery raw materials used for "high-pressure hydrogenation ...