Fragrance ingredient reference pages
Sweet · Balsamic 2-Furanmethanethiol formate CAS 59020-90-5 Origin synthetic Note Top to middle IFRA Use with awareness Data as of: Apr 2026 What Is 2-Furanmethanethiol formate? 2-Furanmethanethiol formate is a synthetic fragrance compound used to create rich, roasted coffee aromas in perfumes and flavored products. You’ll encounter it in gourmand fragrances and some coffee-flavored foods….
Citrus · Floral 2-Dodecenal CAS 4826-62-4 Origin synthetic Note Top to mid IFRA Use with awareness Data as of: Apr 2026 What Is 2-Dodecenal? 2-Dodecenal is a synthetic aldehyde used in perfumery to create citrusy, waxy, and slightly floral accents. You’ll encounter it in high-end fragrances where it adds a sophisticated sparkle to top notes….
Citrus · Floral 2-Decenal CAS 3913-71-1 Origin synthetic Note Top to Middle IFRA Use with awareness Data as of: Apr 2026 What Is 2-Decenal? 2-Decenal is a synthetic fragrance ingredient that adds a unique character to perfumes and scented products. You’ll encounter it in sophisticated floral and citrus compositions where it contributes depth. This aldehyde…
Sweet · Citrus 2-Decanone CAS 693-54-9 Origin synthetic Note Top IFRA Generally safe Data as of: Apr 2026 What Is 2-Decanone? 2-Decanone is a synthetic ketone used in perfumery for its fresh, waxy, and slightly fruity aroma. It’s often found in cleaning products and industrial fragrances. This ingredient matters because it provides a clean, slightly…
Woody · Balsamic 2-Cyclopentylcyclopentanone CAS 4884-24-6 Origin synthetic Note Middle to Base IFRA Use with awareness Data as of: Apr 2026 What Is 2-Cyclopentylcyclopentanone? 2-Cyclopentylcyclopentanone is a synthetic fragrance ingredient used in perfumery. While not commonly encountered in everyday products, it appears in niche and experimental fragrances. This ketone contributes unique woody-ambery nuances to scent…
Citrus · Sweet 2-Butanone CAS 78-93-3 Origin synthetic Note Top IFRA Professional use Data as of: Apr 2026 What Is 2-Butanone? 2-Butanone, also known as methyl ethyl ketone (MEK), is a common industrial solvent found in paints, adhesives, and varnishes. It’s occasionally used in perfumery for its sharp, acetone-like aroma. While not a typical fragrance…
Sweet · Citrus 2-Butanol CAS 78-92-2 Origin synthetic Note Not typically used IFRA Use with awareness Data as of: Apr 2026 What Is 2-Butanol? 2-Butanol is a synthetic alcohol primarily used as an industrial solvent and chemical intermediate. Consumers rarely encounter it directly in fragrances, but it may appear as a trace component in some…
Woody · Green 2-Bornyl propionate CAS 20279-25-8 Origin synthetic Note Middle IFRA Generally safe Data as of: Apr 2026 What Is 2-Bornyl propionate? 2-Bornyl propionate is a synthetic fragrance ingredient occasionally found in pine-scented household cleaners and masculine colognes. It contributes a crisp, woody-pine character with subtle fruity undertones. This molecule matters because it mimics…
Sweet · Balsamic 2-Acetylthiophene CAS 88-15-3 Origin synthetic Note Heart to base IFRA Use with awareness Data as of: Apr 2026 What Is 2-Acetylthiophene? 2-Acetylthiophene is a synthetic fragrance ingredient with a roasted, nutty aroma. It’s often used in food flavorings and some perfumes to add depth. This compound matters because it provides a unique…
Sweet · Spicy 2-Acetylthiazole CAS 24295-03-02 Origin synthetic Note Heart IFRA Use with awareness Data as of: Apr 2026 What Is 2-Acetylthiazole? 2-Acetylthiazole is a synthetic aroma chemical used primarily in food flavorings and some niche fragrances. It’s found in roasted, nutty, and popcorn-like scents. This ingredient matters because it provides unique savory notes that…
