- CAS number
- 81786-75-6
- IFRA Standard status
- Concentration restricted
- Products
- 3
Last updated · 25-05-2026Record completeness90%
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
3,5,6,6-Tetramethyl-4-methyleneheptan-2-one is an intriguing perfumery ingredient known for its signature woody scent that gradually evolves to reveal warm amber notes and soft touches of violet. Perfumers frequently choose it to add depth and enhance amber accords in their creations. It is produced through laboratory synthesis, a method that enables sustainable production without relying on natural sources. Modern perfumery increasingly turns to renewable materials for its preparation, highlighting a commitment to natural resource protection and sustainability.
Additional information
- 'Amber' in perfumery is often not natural, but created from synthetic ingredients such as 3,5,6,6-Tetramethyl-4-methyleneheptan-2-one, mimicking its warm, balsamic notes.
- Synthetic fragrance ingredients such as 3,5,6,6-Tetramethyl-4-methyleneheptan-2-one are often more environmentally friendly than natural extracts, requiring fewer natural resources for production.
- 3,5,6,6-Tetramethyl-4-methyleneheptan-2-one acts as a 'fragrance bridge', connecting woody base notes with floral heart notes for balanced scent experiences.
CAS number
81786-75-681786-73-4
Other names
2-Heptanone, 3,5,6,6- tetramethyl-4-methylene-Koavone(Z)-woody amylene3,5,6,6-Tetramethyl-4-methylene-2-heptanone
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.
Concentration restricted (R)
Related IFRA documentIFRA restrictions by category
IFRA categories group end uses by the type and level of exposure. A restriction or maximum concentration applies only to the stated category and does not automatically apply to another use. Check the related IFRA document for the applicable Standard version and its full conditions.
- 1. Lip products and children's toysMax concentration0.0095%
- 2. Deodorants and antiperspirantsMax concentration0.1%
- 3. Face cosmetics and masksMax concentration0.019%
Regulatory information
The safety of 3,5,6,6-Tetramethyl-4-methyleneheptan-2-one has been evaluated by the Research Institute for Fragrance Materials (RIFM), and a safety assessment has been published following scientific review. It was found to have the potential to cause skin sensitization in a small percentage of individuals. This means that in a limited number of people, repeated contact may cause a temporary reaction, including redness, rash or itching of the skin.
To prevent sensitization, RIFM has established a maximum acceptable concentration for this ingredient, and the International Fragrance Association (IFRA) has issued safe-use standards for home and personal care products. Although an ingredient may have the potential for skin sensitization, most people will not be affected. Every person's skin is different, so consult a healthcare professional with any questions.