Synthetics
Orange oil terpenes have no known odor.
Luebke, William tgsc, (1992): Fresh juicy sweet orange
Pell Wall Perfumes: Fresh, sweet, sharp, orange
Arctander describes this staple of perfumery like this: “fresh, light and sweet citrusy odor with strong resemblance to orange peel oil. commercial grade d-limonene may be redistilled citrus terpenes’ and will then carry more orange-like odor than a highly purified limonene. poor tenacity.”
The Fragrance Conservatory: Obtained from oranges, orange oil terpenes are a staple of perfumery that add a citrusy freshness reminiscent of sweet orange peels to many compositions.