Beta-Ionone
CAS Number: 14901-07-6
Beta-Ionone (CAS 14901-07-6) is the beta isomer of ionone, possessing a rich, woody, cedarwood, and iris-like fragrance with a deep, tenacious character distinct from the more floral alpha-ionone. It is an important perfumery ingredient for woody, amber, and oriental fragrance constructions, and serves as a critical vitamin A and carotenoid synthesis intermediate.
Technical Specifications
| appearance | Colorless to pale yellow liquid |
| purity (%) | ≥97.0 |
| assay method | GC |
| refractive index | 1.517–1.522 |
Applications
- Woody, cedarwood, and iris fragrance in fine perfumery
- Oriental and amber fragrance base note compositions
- Chemical intermediate for vitamin A and beta-carotene industrial synthesis
- Personal care and cosmetic product fragrancing with woody character
- Flavor ingredient in berry and violet flavor food applications
Key Features
- Rich woody-iris character with superior tenacity compared to alpha-ionone
- World's most important intermediate for commercial vitamin A synthesis
- IFRA compliant with established fragrance industry safety data
- Key starting material in the synthesis route to retinol (vitamin A) and retinal