A light, terpenic hydrocarbon with a fresh green-herbal character reminiscent of ocimene but softer and slightly warmer. Shows a citrus-peel brightness with faint woody-camphoraceous facets. Fleeting on a blotter, useful as a lift in citrus and herbal top notes.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 37.
Colorless mobile liquid.
Soluble in alcohol (when fresh and unpolymerized), poorly soluble when polymerized. Insoluble in water. Miscible with essential oils and perfume chemicals.
Diffusive, fresh-gassy, herbaceous odor. The gassy notes are more predominant in poorer grades of Allo-ocimene, almost imperceptible in good grade material.
Useful in low-cost fragrances for industrial purposes, and in general as a lifting topnote, modifier for Limonene, etc. cheaper than Ocimene.
Produced by pyrolysis of alpha-Pinene in closed tube.