What Is 9-​Undecenal?

Learn about the perfuming characteristics of 9-​Undecenal and its usage in personal care products.

What Is 9-​Undecenal? Brandon Jones / IngredientReviewer

Last Updated: October 2, 2024

Written by Brandon Jones

What Is 9-​Undecenal?

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Undec-9-enal is a liquid substance that is colorless or pale yellow in appearance. It has a citrusy and floral scent with hints of mandarin and wax. This substance is commonly used in cosmetics to add fragrance or perfume to the product. It can be found in juniper leaf oil as well.

What is the purpose of 9-​Undecenal in personal care products? It is used for its perfuming characteristics. 9-​Undecenal adds a pleasant fragrance.

Names and identifiers that we found for this substance include: 9-​Undecenal, Undecylenic aldehyde, and Aldehyde C-11.

What Are Perfuming Ingredients?

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9-​Undecenal has perfuming characteristics.

Perfuming ingredients are used in cosmetic products to enhance a product's scent. These ingredients are derived from various sources, such as essential oils, synthetic aromas, and natural extracts. Perfuming ingredients are carefully selected and blended to create a specific scent profile that appeals to users.

How perfuming ingredients function is by emitting molecules that are easily vaporized, and these molecules stimulate the odorant receptors in our noses, creating a delightful fragrance. They are carefully selected and blended to create a unique scent profile that can evoke a particular emotion or mood.

Natural vs Synthetic Perfuming Ingredients

Natural perfuming ingredients are derived from natural sources such as flowers, fruits, spices, and herbs. These ingredients can provide a wide range of scents, from floral to woody to spicy, and are often used in high-end or niche fragrances. Natural perfuming ingredients commonly include essential oils, absolutes, resins, and extracts.

On the other hand, synthetic perfuming ingredients are created in a lab using a combination of chemicals. They are designed to mimic natural ingredients' scents or create entirely new fragrances. Synthetic ingredients are often used in mass-market perfumes and other fragranced products because they are cheaper and more consistent in scent than natural ingredients.

Safety

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Remember, always read and follow the instructions provided on product labels carefully. If you have any questions or concerns about using a product containing various ingredients, consult with your doctor or healthcare provider before use.