Limonene, also known as (−)-Carvene, presents as a light-yellow liquid with an herbal- to pine-like odor. It is soluble in alcohol and fixed oil and insoluble in water. Store in tightly closed container in a cool, dry and well-ventilated place at room temperature - this substance is stable under recommended storage conditions. (-)-Limonene is a flammable liquid and its vapor causes skin irritation. Environmentally, it is very toxic to aquatic life with long lasting effects and care should be taken in disposal.