Fragrance ingredient reference pages
Woody · Balsamic Pyroligneous acid CAS 8030-97-5 Origin synthetic Note Base IFRA Professional use Data as of: Apr 2026 What Is Pyroligneous acid? Pyroligneous acid, often called wood vinegar, is a smoky liquid produced by burning wood. It’s encountered in some traditional medicines, agricultural products, and niche fragrances seeking a campfire-like character. This ingredient matters…
Spicy · Musky Pyridine, 4-_decyl- CAS 1815-99-2 Origin synthetic Note Base IFRA Professional use Data as of: Apr 2026 What Is Pyridine, 4-_decyl-? Pyridine, 4-decyl- is a synthetic fragrance ingredient primarily used in industrial and specialty applications. It is not commonly encountered in consumer products but may appear in some niche fragrances. This compound contributes…
Spicy · Woody Pyridine CAS 110-86-1 Origin synthetic Note Top IFRA Professional use Data as of: Apr 2026 What Is Pyridine? Pyridine is a sharp, pungent chemical compound often found in industrial settings and some niche fragrances. While not common in everyday products, it’s used to create specific medicinal or smoky scent profiles. Its distinct…
Green · Woody Pyrazine, 2-methoxy-3-propyl- CAS 25680-57-3 Origin synthetic Note Top to middle IFRA Use with awareness Data as of: Apr 2026 What Is Pyrazine, 2-methoxy-3-propyl-? 2-Methoxy-3-propylpyrazine is a synthetic aroma chemical found in perfumes and some food flavorings. It contributes a green, bell pepper-like note to fragrances. This ingredient matters because it provides a…
Sweet · Citrus Propyl propionate CAS 106-36-5 Origin synthetic Note Top IFRA Generally safe Data as of: Apr 2026 What Is Propyl propionate? Propyl propionate is a synthetic ester commonly used in fruit-flavored foods and fragrances. You’ll encounter it in chewing gums, candies, and some perfumes where it contributes a sweet, fruity note. This ingredient…
Sweet · Citrus Propyl isovalerate CAS 557-00-6 Origin synthetic Note Top IFRA Generally safe Data as of: Apr 2026 What Is Propyl isovalerate? Propyl isovalerate is a synthetic ester commonly used in fruity and apple-like fragrance compositions. You’ll encounter it in fresh, sweet perfumes and some flavorings. This ingredient matters because it adds a crisp,…
Sweet · Citrus Propyl hexanoate CAS 626-77-7 Origin synthetic Note Top IFRA Generally safe Data as of: Apr 2026 What Is Propyl hexanoate? Propyl hexanoate is a synthetic ester used in perfumery for its fruity, pineapple-like aroma. You’ll encounter it in tropical fragrances and some fruity-floral body care products. This ingredient matters because it provides…
Balsamic · Woody Propyl gallate CAS 121-79-9 Origin synthetic Note N/A IFRA Use with awareness Data as of: Apr 2026 What Is Propyl gallate? Propyl gallate is a synthetic antioxidant commonly used in food, cosmetics, and pharmaceuticals to prevent spoilage. You’ll find it in processed foods, skincare products, and some fragrances as a preservative. While…
Sweet · Citrus Propyl butyrate CAS 105-66-8 Origin synthetic Note Top IFRA Generally safe Data as of: Apr 2026 What Is Propyl butyrate? Propyl butyrate is a synthetic ester widely used in food flavorings and perfumery. It imparts a fruity, pineapple-like aroma. Consumers encounter it in candies, beverages, and fruity fragrances. Its importance lies in…
Sweet · Citrus Propyl alcohol CAS 71-23-8 Origin synthetic Note Carrier IFRA Generally safe Data as of: Apr 2026 What Is Propyl alcohol? Propyl alcohol is a simple alcohol used as a solvent and preservative in cosmetics and pharmaceuticals. You’ll find it in hand sanitizers, aftershaves, and some fragrance bases. While not a primary scent…
