Allyl Amyl Glycolate, whose official chemical name is commonly given as Isoamyl Allyl Glycolate (often abbreviated AAG), CAS 67634-00-8, is a fully synthetic ester fragrance ingredient that does not occur naturally. It became something of a signature material for IFF (International Flavors & Fragrances): although synthesized earlier, it truly surged in popularity in the late 1970s and especially throughout the 1980s, helping to reshape modern men’s perfumery. As a mobile, clear liquid ranging from colorless to pale yellow, AAG radiates a strong pineapple note blended with green, slightly waxy, and intriguingly cool metallic facets. It is widely used to build fresh fruity accents that aren’t overly sweet in fine fragrance, soaps, and detergents, and is often described as a key driver behind the success of modern fougère styles. Developed and introduced by IFF’s chemists, Allyl Amyl Glycolate became a “secret weapon” for perfumers in the 1980s: where fruity notes had previously skewed feminine and sugary, AAG made it possible to integrate pineapple into men’s fragrances with a crisp, masculine, icy-clean character—paving the way for the New Freshness movement.
Description
Belonging to the fruity and green odor families, AAG can function from top note through early heart, acting as a powerful modifier with outsized impact. Its scent is highly recognizable: reminiscent of ripe pineapple or canned pineapple, but not cloying—more sharp-green, with a resinous bite akin to galbanum, plus waxy and metallic aspects that create a clean, cool “cold air” impression. It is high intensity, with moderate substantivity: a strong initial lift that carries into the beginning of the heart. In formulas, AAG is often used to create a signature pineapple effect, bringing a modern, crisp freshness to fougère and chypre accords, and it can also soften and fruit-boost galbanum-green notes. Famous pairings include AAG with dihydromyrcenol—a defining “golden duo” of the 1980s–1990s, where AAG’s metallic pineapple merges with dihydromyrcenol’s clean citrus-lavender freshness for an explosive fresh effect; with ambroxan for a long-lasting, modern cleanliness; or with Precyclemone B to enhance a humid, ozonic “air” sensation. It can be used neat, but because the odor is sharp and very strong, lab practice often dilutes it to 10% for easier dosing and balance.
Applications
In general use, AAG is especially common in men’s aromatic fougères and in certain women’s fruity-floral fragrances, as well as in rinse-off cosmetics (shower gels and shampoos, particularly “men’s” or “sport” lines) and in detergents. It performs well in alkaline soap and laundry environments, delivering a powerful clean scent that can cling to fabric. Under IFRA guidance, Allyl Amyl Glycolate is restricted due to skin sensitization potential and because it may contain allyl alcohol impurities; in Category 4 (fine fragrance) it is typically limited to under 1% to a little over 1%, depending on purity and the currently applicable IFRA version (e.g., IFRA 51), which should be checked for the latest update to ensure compliance and consumer safety. As an allergen/safety note, it may cause skin irritation if used above permitted levels. Store it in a cool, dry, well-ventilated place away from direct light and heat, tightly sealed—commonly in epoxy-lined drums or glass/aluminum containers.
Notable products said to leverage AAG include Cool Water (Davidoff)—often cited as the classic example where Pierre Bourdon used it to create the emblematic green pineapple nuance layered with marine freshness; Drakkar Noir (Guy Laroche), where it boosts the punchy, fresh fougère structure; and Trésor (Lancôme), in which Sophia Grojsman used AAG to add freshness that supports a rose-and-peach floral mass. As quoted from Steffen Arctander’s Perfume and Flavor Chemicals (Volume 1 and 2), entry no. 86: “A colorless liquid, insoluble in water, soluble in alcohol and oils. A green-fruity odor, galbanum-type, more like Pineapple than galbanum, and less leafy-earthy, but also less tenacious. Used in perfume compounds for its strong green-fruity effect, often combined with galbanum materials or as a modifier for Allyl caproate in Pineapple bases. It adds a particularly natural fresh note to pineapple odors… Trace amounts are used in artificial galbanum and in various mossy-leafy fragrances.”
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