Fragrance ingredient reference pages
Sweet · Woody 2-Nonenoic acid gamma-lactone CAS 21963-26-8 Origin synthetic Note Middle IFRA Generally safe Data as of: Apr 2026 What Is 2-Nonenoic acid gamma-lactone? 2-Nonenoic acid gamma-lactone is a synthetic fragrance ingredient used to create creamy, coconut-like nuances in perfumes and flavored products. It’s found in tropical-inspired body lotions, suntan oils, and gourmand fragrances….
Green · Woody 2-Nonenal CAS 2463-53-8 Origin synthetic Note Middle to base IFRA Use with awareness Data as of: Apr 2026 What Is 2-Nonenal? 2-Nonenal is a synthetic aroma chemical that creates a distinctive ‘old book’ or cardboard-like smell. People encounter it in trace amounts in aged paper products, some perfumes, and as an off-note…
Green · Floral 2-Nonen-1-ol CAS 22104-79-6 Origin synthetic Note Top IFRA Generally safe Data as of: Apr 2026 What Is 2-Nonen-1-ol? 2-Nonen-1-ol is a synthetic fragrance ingredient known for its unique, slightly metallic green odor. It’s often used in perfumes and personal care products to add a fresh, cucumber-like nuance. This molecule is valued for…
Sweet · Floral 2-Nonanone CAS 821-55-6 Origin synthetic Note Middle IFRA Generally safe Data as of: Apr 2026 What Is 2-Nonanone? 2-Nonanone is a synthetic ketone used in perfumery to add fruity, waxy, and slightly cheesy nuances. It’s found in trace amounts in some dairy products and fermented foods. This molecule matters because it bridges…
Green · Floral 2-Nonanol CAS 628-99-9 Origin synthetic Note Middle IFRA Generally safe Data as of: Apr 2026 What Is 2-Nonanol? 2-Nonanol is a synthetic alcohol used in perfumery to create fresh, green, and slightly floral scents. It’s found in cleaning products and some personal care items for its crisp, cucumber-like aroma. This ingredient helps…
Balsamic · Woody 2-Methoxy-4-vinylphenol CAS 7786-61-0 Origin synthetic Note Middle IFRA Use with awareness Data as of: Apr 2026 What Is 2-Methoxy-4-vinylphenol? 2-Methoxy-4-vinylphenol is a synthetic fragrance molecule that imparts a smoky, clove-like aroma. It’s found in some perfumes and flavored products. This ingredient adds depth and warmth to fragrances, often used to create spicy…
Woody · Balsamic 2-Methoxy-4-propylphenol CAS 2785-87-7 Origin synthetic Note Heart to base IFRA Use with awareness Data as of: Apr 2026 What Is 2-Methoxy-4-propylphenol? 2-Methoxy-4-propylphenol is a synthetic fragrance ingredient used to add warm, spicy, and woody notes to perfumes and scented products. You’ll encounter it in fine fragrances, candles, and personal care items where…
Green · Woody 2-Methoxy-3(5 and 6)-isopropylpyrazine CAS 25773-40-4 Origin synthetic Note Top to heart IFRA Use with awareness Data as of: Apr 2026 What Is 2-Methoxy-3(5 and 6)-isopropylpyrazine? 2-Methoxy-3(5 and 6)-isopropylpyrazine is a synthetic aroma chemical that gives a powerful green, bell pepper-like note. It’s found in trace amounts in some fruits and vegetables, but…
Spicy · Woody 2-Mercaptopropionic acid CAS 79-42-5 Origin synthetic Note N/A IFRA Professional use Data as of: Apr 2026 What Is 2-Mercaptopropionic acid? 2-Mercaptopropionic acid is a synthetic compound primarily used in industrial applications and niche perfumery. It’s not commonly encountered in everyday products. This ingredient is valued in fragrance chemistry for its unique sulfur-containing…
Woody · Balsamic 2-Isopropylphenol CAS 88-69-7 Origin synthetic Note Middle IFRA Use with awareness Data as of: Apr 2026 What Is 2-Isopropylphenol? 2-Isopropylphenol is a synthetic aromatic compound used in fragrances and industrial applications. Consumers may encounter it as a subtle component in perfumes, soaps, or cleaning products where it contributes to complex scent profiles….
