- CAS number
- 18096-62-3
- IFRA Standard status
- Not recorded
- Products
- 1
Last updated · 25-05-2026Record completeness75%
The information here describes the ingredient in general. Its possible sources may vary and do not necessarily show the origin or form used in a particular YUMA product. For product-specific information, check the relevant product page.
Description
4,4a,5,9b-Tetrahydroindeno[1,2-d]-1,3-dioxine is a specialized fragrance ingredient known for its deep, earthy aroma that adds unique complexity and longevity to scent compositions. It blends exceptionally well with jasmine-based fragrance accords, enhancing their character and creating a sense of mystery. Perfumers synthesize this ingredient in laboratories using advanced methods to ensure consistent quality and purity. In recent years, increasing emphasis has been placed on producing it from renewable raw materials, supporting sustainability and reducing the environmental footprint of modern perfumery without sacrificing its olfactory value.
Additional information
- Synthetic fragrance ingredients like 4,4a,5,9b-Tetrahydroindeno[1,2-d]-1,3-dioxine can be more environmentally friendly than natural extracts, as they do not require large tracts of land for cultivation or excessive water use.
- The chemical structure of this ingredient is responsible for its characteristic earthy scent, with molecules interacting with olfactory receptors in a way similar to certain natural compounds found in forest soil.
- Professional perfumers often combine this ingredient with jasmine notes to build complex fragrances with depth and contrast, a technique that adds intricacy to final scents.
CAS number
18096-62-3
Other names
4,5-Indeno-1,3-dioxan1-Hydroxy-2-(hydroxymethyl)indan methylene etherIndeno[1,2-d]-1,3-dioxin, 4,4a,5,9b-tetrahydro-Indoflor4,4a,5,9b-Tetrahydroindeno[1,2-d][1,3]dioxineIndoxanIndolarome
Linked YUMA products
IFRA Standard status
The IFRA Standards form an industry self-regulatory system. They may prohibit or restrict the use of particular fragrance ingredients, or set specifications, according to end use. The status below reflects the IFRA data recorded for this ingredient. It is not a product certification and does not replace applicable law or assessment of the finished product.
Not recorded
Regulatory information
The safety of 4,4a,5,9b-Tetrahydroindeno[1,2-d]-1,3-dioxine has been evaluated by the Research Institute for Fragrance Materials (RIFM) and a peer-reviewed safety assessment has been published. It can be used safely in everyday products at current use levels. Various regulatory bodies around the world have conducted safety evaluations for this ingredient.