Synthetics
Grapefruit nitrile has no known odor.
Luebke, William tgsc, (2009): Citrus gardenia grapefruit burnt autumn leaves vetiver
IFF: Adds sparkle and bloom to most compounds. grapefruit, rhubarb, vetivert, green, woody
Pell Wall Perfumes: Citrus-grapefruit, fruity-rhubarb, woody, green, vetivert
Arcadi boix camps, writing in 2009, when it was still a captive, tells us that it is “chemically related to symrise’s hydrocitronitrile but it smells totally different. it is extraordinarily citrussy-grapefruitlike with a torrent of freshness within its molecule.”