Aldehyde C-18
Aldehyde C-18
BY PERFUMER'S CORNER
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Aldehyde C-18 is a creamy, coconut-like fragrance material widely used in perfumery and flavor applications. Despite its name, it is a lactone rather than a true aldehyde. It provides a rich, milky sweetness that enhances coconut, creamy, and tropical accords. The material adds smoothness and warmth to gourmand and fruity compositions. Aldehyde C-18 is commonly used in fine fragrances, cosmetics, soaps, and flavor blends.

Specifications
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Classification
Chemical Name: Gamma-Nonalactone
CAS: 104-61-0
Molecular Weight: 206.24
Molecular Formula: C₉H₁₆O₂
Synonyms: Gamma-Nonalactone | γ-Nonalactone | Coconut Aldehyde | Aldehyde C-18
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Physical Properties
Appearance: Colorless to pale yellow liquid.
Melting Point: -20°C
Boiling Point: 260-265°C
Flash Point: 110-115°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: Creamy, Fruity.
Odor Description: Sweet coconut, creamy, milky, slightly buttery and tropical
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Documentation
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