
Aldehydes are organic compounds found in various natural elements and are used in perfumery. Chanel No. 5, one of the most well-known perfumes infused with aldehydes, is said to have been created by accident when the perfumer, Ernest Beaux, added more aldehydes than intended. The scent contains a mixture of aldehydes, including undecanal, 10-undecenal, and dodecanal, which blend to create a citrus and floral note with a soapy quality. The smell of aldehydes is often described as soapy, floral, clean, and sparkling, with some finding it sharp and metallic.
| Characteristics | Values |
|---|---|
| General Scent Profile | Soapy, floral, clean, sparkling, effervescent, citrusy |
| Specific Scents | Lemon, lily, violet, jasmine, rose, iris, lily-of-the-valley, orange |
| Other Descriptions | Sharp, bright, dry, piercing, cool, fresh, metallic, waxy, starchy, green, citrus |
| Chanel No.5 | Overdose of aldehydes, "smell of a clean woman", soapy |
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What You'll Learn

Aldehydes smell soapy, floral, and clean
Aldehydes are organic compounds that vary in smell. Those with a lower molecular weight have an unpleasant odour, resembling rotting fruit. On the other hand, aldehydes with a higher molecular weight often have pleasant aromas. The aldehydes used in perfumes are known as aliphatic or "fatty" aldehydes. Their scents can range from soapy to floral, metallic to starchy, waxy to citrusy, and even green.
Fatty aldehydes contain between 8 and 13 carbon atoms in their molecular composition and have a pleasant fruity or floral scent. They are easily detectable even in very low concentrations. Chanel No. 5, created in 1921, is one of the most well-known perfumes that contains aldehydes. It is said that the perfumer, Ernest Beaux, accidentally added more aldehydes than intended, but Coco Chanel loved the result. Chanel No. 5 contains a mixture of aldehydes, including C-11 undecylic, C-110, C-11 undecylenic, and C-12.
The scent of aldehydes is often described as soapy, floral, and clean. Some people compare it to the smell of fancy hotel soap or expensive luxury soap. It can also evoke the feeling of freshness, like stepping out into sub-zero air and taking a deep inhale. Aldehydes can add a sparkling, effervescent, or fizzy dimension to a fragrance, like the fizz of champagne.
In addition to Chanel No. 5, other perfumes that showcase aldehydes include Chanel No. 22, Lanvin's Arpege, Lagerfeld's Femme, Elizabeth Taylor's White Diamonds, and Estee Lauder's White Linen. These perfumes demonstrate the versatility of aldehydes, which can be blended to create a range of desirable fragrances.
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They can also smell metallic
Aldehydes are organic compounds that vary in smell. They are commonly used in perfumes and are often identified by their "'al'" names. Chanel No. 5, one of the most well-known perfumes infused with aldehydes, is said to have been created by Ernest Beaux, who added more aldehydes than requested, resulting in a unique and coveted formula.
While aldehydes can have different scents, ranging from soapy to citrusy and floral, they can also have a metallic smell. This metallic scent can be sharp, bright, and sparkling, resembling the smell of a hot steam iron or the smoke after a candle has been snuffed out. The perception of this metallic scent may vary depending on individual skin chemistry.
The use of aldehydes in perfumes is like adding rocket fuel to the fragrance, enhancing its initial impact. Aldehyde C12 MNA, for example, is known for its metallic, clean, and floral scent with a pine note. The inclusion of aldehydes in perfumes can create a powerful trail, adding an artificial or metallic aspect to the fragrance.
The scent of aldehydes is not always just about smell but also texture. Some people describe the experience as a gust of wind blowing across an iced-over sea or the fizz of opening a can of soda. This effervescent quality adds to the unique perception of aldehydes in perfumes.
While the smell of aldehydes can be intriguing and captivating, it is important to note that their impact can be intense. Some people find certain aldehydes headache-inducing or unpleasant, emphasizing the importance of careful formulation in perfumery.
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They are found in natural materials like orange rind
Aldehydes are a family of organic compounds that are commonly found in natural materials such as orange rind, lemon peel, and other citrus fruits. They are also present in other natural sources such as nutmeg, cinnamon, and vanilla. Aldehydes are responsible for the
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Chanel No.5 is a famous perfume that contains aldehydes
Chanel No. 5 is an iconic fragrance with a bottle sold worldwide every 30 seconds. Its fame is often attributed to its hand-sealed glass bottles, celebrity endorsements, and commercials. However, its innovative formulation, particularly its use of aldehydes, is what makes it extraordinary. Chanel No. 5 contains a mixture of aldehydes, including C-11 undecylic, C-11 undecylenic, and C-12.
Aldehydes are organic compounds that vary in smell. Those with a lower molecular weight have an unpleasant odour, resembling rotting fruit, while those with a higher molecular weight have pleasant aromas. The aldehydes used in perfumery, known as aliphatic or fatty aldehydes, have scents ranging from soapy to metallic, waxy, starchy, citrus, and floral. They can be found in natural sources like rose essential oil and the zest of citrus fruits but are mostly synthetic in modern perfumery.
The inclusion of aldehydes in Chanel No. 5's formula gave the fragrance a boost and a bubbly, airy character. They enhanced the floral notes, adding a dazzling touch. Legend has it that Chanel's perfumer, Ernest Beaux, accidentally added more aldehydes than requested, resulting in a unique and coveted scent. Chanel No. 5's success with aldehydes inspired other classics like Estée Lauder's White Linen and Lanvin's Arpege, forever changing the trajectory of perfumery.
The use of aldehydes in Chanel No. 5 showcases their importance in modern perfumery. Their ability to enhance and transform fragrances has led to their widespread adoption, with perfumers utilising them in varying amounts to create signature scents. Chanel No. 5's fame and the inclusion of aldehydes have undoubtedly left a mark on the fragrance industry, influencing the creation of countless perfumes that continue to captivate and enchant.
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Fatty aldehydes have a pleasant fruity or floral scent
Aldehydes are organic compounds that vary in smell. Those with a lower molecular weight have an unpleasant scent, resembling rotting fruit. However, those with a higher molecular weight often have very pleasant aromas.
Fatty aldehydes, a subgroup of saturated aliphatic aldehydes, contain between 8 and 13 carbon atoms in their molecular composition. They have a very pleasant fruity or floral scent and can be detected easily even in very low concentrations. Chanel No. 5, which was created in 1921, is one of the most well-known perfumes infused with fatty aldehydes. It contains a mixture of aldehydes "C-11 undecylic" or "C-110" (undecanal), "C-11 undecylenic" (10-undecenal), and "C-12" (dodecanal). The scent is said to be soapy, floral, metallic, and clean, with notes of pine.
Fatty aldehydes are also found in natural materials such as rose, citronella, cinnamon bark, and orange rind. They are used in perfumery to boost the initial impression of a fragrance, giving it a powerful trail and an artificial, "metallic" look. Their scents can range from soapy to metallic, waxy to starchy, green to citrus, and floral.
In addition to Chanel No. 5, other classic perfumes that contain fatty aldehydes include Chanel No. 22, Lanvin's Arpege, Lagerfeld's Femme, Elizabeth Taylor's White Diamonds, and Estee Lauder's White Linen. These perfumes revolutionized the world of perfumery, opening up a world of richness and strength.
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Frequently asked questions
Aldehydes are organic compounds found in various natural elements and used in perfumes.
The smell of aldehydes in perfumes is often described as soapy, floral, clean, sparkling, and citrusy. Some people also find aldehydes to have a sharp, metallic scent.
Aldehydes are used in perfumes to boost the initial scent and create a sparkling, effervescent effect. They also help to mask unpleasant scents in soap-based perfumes.
Chanel No. 5 is one of the most well-known perfumes that contain aldehydes. Other examples include Chanel No. 22, Lanvin's Arpege, Lagerfeld's Femme, and Elizabeth Taylor's White Diamonds.
Aldehydes with lower molecular weights tend to have unpleasant or strong scents, while those with higher molecular weights, specifically between 8 and 13 carbon atoms, often have pleasant fruity or floral scents.











































