Aldehyde C-11 Intreleven

CAS: 1337-83-3

BaseAldehydic
Identifiers
Manufacturer
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CAS number
1337-83-3
CAS (all sources)
1337-83-3
CAS (Perfumiarz)
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CAS (PerfumersWorld)
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CAS (FraterWork)
1337-83-3
CAS (EU Hekserij)
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CAS (TSCA Hekserij)
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INCI name (FraterWork)
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IUPAC name (FraterWork)
undec-10-enal (mixture of isomers)
INCI (Hekserij)
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EC number (Hekserij)
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FEMA (Hekserij)
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UN number
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Synonyms (PerfumersWorld)
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Synonyms (FraterWork)
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Scent profile
Note type (FraterWork)
Base Note
Odour family (FraterWork)
Aldehydic
Odour profile (FraterWork)
Aldehyde C-11 Intreleven has a powerful clean aldehydic aroma with green rosy character, fresh linen facets, ozonic-marine brightness, and citrus-orange undertones.
Longevity (FraterWork)
Lasts > 400 hours on a smelling strip.
Appearance (FraterWork)
Colourless liquid
Descriptions
Comment (FraterWork)
Aldehyde C-11 Intreleven opens with powerful clean aldehydic character—green, rosy, and immediately evocative of fresh linen and quality soap. The ozonic-marine facets add modern brightness, while citrus-orange undertones provide lift without heaviness. This is aldehydic perfumery at its most refined: sparkling, diffusive, and remarkably versatile across fine fragrance and functional applications. This material delivers a fresher, more complex profile than simple Aldehyde C-11 Undecylenic. The 400-hour substantivity on blotter translates to exceptional longevity in finished products, and the excellent stability in body lotions, shampoos, and all-purpose cleaners makes it valuable across categories. The fresh linen aspect has made it particularly popular in fabric care applications where clean, aldehydic character defines the category. Use it as a top note booster in white floral concepts, or to add aldehydic sparkle to citrus, marine, and green compositions. It blends beautifully with other aldehydes, rose materials, and fatty-floral notes. Excellent soap stability makes it a workhorse for functional fragrances. ALDEHYDE C-11 INTRELEVEN VS ALDEHYDE C-11 UNDECYLENIC These two C-11 aldehydes share the same carbon chain length but differ significantly in character. Aldehyde C-11 Undecylenic  is waxy, fatty, and distinctly rosy-citrus with a soapy quality; one of the three aldehydes Beaux used in Chanel No. 5. Intreleven is several times stronger than Undecylenic, with a fresher, cleaner, more complex profile. Where Undecylenic leans fatty and waxy, Intreleven emphasises ozonic freshness and green-linen character. Use Undecylenic for classic aldehydic florals seeking that vintage Chanel sparkle; reach for Intreleven when you want modern fresh-linen power with superior diffusion. Both offer exceptional tenacity, but Intreleven's cleaner profile makes it more versatile in contemporary functional fragrances. aromachem Best Seller
Notes
Aldehyde C-11 Intreleven opens with powerful clean aldehydic character—green, rosy, and immediately evocative of fresh linen and quality soap. The ozonic-marine facets add modern brightness, while citrus-orange undertones provide lift without heaviness. This is aldehydic perfumery at its most refined: sparkling, diffusive, and remarkably versatile across fine fragrance and functional applications. This material delivers a fresher, more complex profile than simple Aldehyde C-11 Undecylenic. The 400-hour substantivity on blotter translates to exceptional longevity in finished products, and the excellent stability in body lotions, shampoos, and all-purpose cleaners makes it valuable across categories. The fresh linen aspect has made it particularly popular in fabric care applications where clean, aldehydic character defines the category. Use it as a top note booster in white floral concepts, or to add aldehydic sparkle to citrus, marine, and green compositions. It blends beautifully with other aldehydes, rose materials, and fatty-floral notes. Excellent soap stability makes it a workhorse for functional fragrances. ALDEHYDE C-11 INTRELEVEN VS ALDEHYDE C-11 UNDECYLENIC These two C-11 aldehydes share the same carbon chain length but differ significantly in character. Aldehyde C-11 Undecylenic  is waxy, fatty, and distinctly rosy-citrus with a soapy quality; one of the three aldehydes Beaux used in Chanel No. 5. Intreleven is several times stronger than Undecylenic, with a fresher, cleaner, more complex profile. Where Undecylenic leans fatty and waxy, Intreleven emphasises ozonic freshness and green-linen character. Use Undecylenic for classic aldehydic florals seeking that vintage Chanel sparkle; reach for Intreleven when you want modern fresh-linen power with superior diffusion. Both offer exceptional tenacity, but Intreleven's cleaner profile makes it more versatile in contemporary functional fragrances. aromachem Best Seller
Usage
Average use (FraterWork)
0.15 in a perfume compound
Uses (FraterWork)
Creates classic aldehydic florals and modern soap accords, adds fresh linen character to functional fragrances, provides sparkling aldehydic lift in citrus and marine compositions. IUPAC Name: undec-10-enal (mixture of isomers)
IFRA 51 (FraterWork)
No restriction for category 4

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