A synthetic cyclopentene alcohol used as a fragrance ingredient.
What it is
Pentamethylcyclopent-3-ene-butanol is alpha,beta,2,2,3-pentamethylcyclopent-3-ene-1-butanol, a synthetic alcohol with a substituted cyclopentene ring; it belongs to the group of fragrance materials with a sandalwood-type odour. CosIng lists it as a perfuming ingredient.
Where it is used
Appears on the ingredient lists of a small number of products.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
The INCI name does not show the ratio of stereoisomers.
Functions
- Perfuming
- Used for perfume and aromatic raw materials.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

