Aldehyde C-11
Aldehyde C-11
BY PERFUMER'S CORNER
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Aldehyde C-11 is a powerful aliphatic aldehyde widely used in perfumery for its fresh, waxy, and citrus-peel character. It provides a sharp, diffusive lift that enhances brightness in fragrance compositions. The material is highly effective at very low concentrations and adds sparkle to floral and aldehydic accords. It contributes a clean yet slightly fatty nuance that supports classic and modern perfumes. Aldehyde C-11 is commonly used in fine fragrances, soaps, detergents, and functional products.

Specifications
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Classification
Chemical Name: Undecylenic Aldehyde (Undec-10-enal)
CAS: 112-45-8
Molecular Weight: 168.28
Molecular Formula: C₁₁H₂₀O
Synonyms: Undecylenic Aldehyde | Undec-10-enal | C-11 Aldehyde | 10-Undecenal
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Physical Properties
Appearance: Colorless to pale yellow liquid.
Melting Point: -5 to -7°C
Boiling Point: 230-232°C
Flash Point: 90-95°C
Shelf Life: 2–3 years when stored properly
Storage: Store in tightly sealed containers. Keep in a cool, dry, and well-ventilated place. Protect from heat, light, and air exposure
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Odor Properties
Odor Type: Aldehydic, citrus
Odor Description: Waxy, citrus-peel, fresh, slightly metallic and fatty
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Documentation
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