Fragrance ingredient reference pages
Woody · Spicy 2-Isopropyl-p-cresol CAS 4427-56-9 Origin synthetic Note Middle IFRA Use with awareness Data as of: Apr 2026 What Is 2-Isopropyl-p-cresol? 2-Isopropyl-p-cresol is a synthetic fragrance ingredient used in perfumery for its woody, spicy character. It’s found in niche fragrances and some masculine-leaning compositions. This molecule contributes depth and warmth to fragrance formulas, often…
Citrus · Floral 2-Imidazolidinone CAS 120-93-4 Origin synthetic Note N/A IFRA Professional use Data as of: Apr 2026 What Is 2-Imidazolidinone? 2-Imidazolidinone is a synthetic compound primarily used in industrial applications, including textiles and pharmaceuticals. While not commonly found in consumer fragrances, it serves as a building block for more complex fragrance ingredients. Its importance…
Floral · Sweet 2-Hydroxyacetophenone CAS 118-93-4 Origin synthetic Note Top to Heart IFRA Generally safe Data as of: Apr 2026 What Is 2-Hydroxyacetophenone? 2-Hydroxyacetophenone is a synthetic aroma compound with a sweet, floral, and slightly phenolic scent. It is commonly used in perfumes, soaps, and detergents to add a honey-like note. This ingredient matters because…
Green · Citrus 2-Hexenal CAS 505-57-7 Origin synthetic Note Top IFRA Use with awareness Data as of: Apr 2026 What Is 2-Hexenal? 2-Hexenal is a green, leafy-smelling compound used in perfumes and flavorings. You might encounter it in fresh-cut grass scents or cucumber-melon body products. This ingredient matters because it creates ultra-realistic green notes, helping…
Green · Floral 2-Hexen-1-ol CAS 2305-21-7 Origin synthetic Note Top IFRA Generally safe Data as of: Apr 2026 What Is 2-Hexen-1-ol? 2-Hexen-1-ol is a synthetic alcohol with a fresh, green, leafy scent. It’s often used in perfumes, soaps, and detergents to add a natural, grassy note. This ingredient matters because it helps create realistic green…
Green · Woody 2-Heptyltetrahydrofuran CAS 2435-16-7 Origin synthetic Note Middle IFRA Generally safe Data as of: Apr 2026 What Is 2-Heptyltetrahydrofuran? 2-Heptyltetrahydrofuran is a synthetic fragrance ingredient used to add green, herbal, and slightly woody nuances to perfumes. It’s found in modern fragrances seeking a crisp, naturalistic edge. This molecule matters because it can mimic…
Woody · Musky 2-Heptylcyclopentanone CAS 0137-03-01 Origin synthetic Note Base IFRA Generally safe Data as of: Apr 2026 What Is 2-Heptylcyclopentanone? 2-Heptylcyclopentanone is a synthetic fragrance ingredient used in perfumes and scented products. It contributes a unique musky-woody character to formulations. This molecule matters because it helps create long-lasting base notes in fragrances, adding depth…
Sweet · Musky 2-Heptanone CAS 110-43-0 Origin synthetic Note Top-Middle IFRA Use with awareness Data as of: Apr 2026 What Is 2-Heptanone? 2-Heptanone is a synthetic ketone with a sharp, fruity-cheesy aroma. It’s found naturally in some cheeses and is used industrially as a solvent. This molecule adds a tangy edge to fragrances, often in…
Green · Citrus 2-Heptanol CAS 543-49-7 Origin synthetic Note Top-middle IFRA Generally safe Data as of: Apr 2026 What Is 2-Heptanol? 2-Heptanol is a synthetic alcohol used in perfumery for its fresh, slightly green aroma. It’s found in trace amounts in some citrus and herbal fragrances. This ingredient matters because it adds a crisp, clean…
Woody · Sweet 2-Furfuryleneoctanal CAS 67801-17-6 Origin synthetic Note Base IFRA Use with awareness Data as of: Apr 2026 What Is 2-Furfuryleneoctanal? 2-Furfuryleneoctanal is a synthetic fragrance ingredient used to add warm, woody, and slightly spicy nuances to perfumes. It’s commonly found in fine fragrances and personal care products. This molecule enhances depth and longevity…
