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CAS 1227-51-6

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δ-Octadecalactone

Description:
δ-Octadecalactone, also known as octadecalactone or by its IUPAC name, 1-octadecanolide, is a cyclic ester derived from the fatty acid octadecanoic acid. It is characterized by its long carbon chain, consisting of 18 carbon atoms, which contributes to its waxy texture and high melting point. This compound is typically a colorless to pale yellow liquid or solid, depending on the temperature, and has a pleasant, creamy, and coconut-like odor, making it valuable in the fragrance and flavor industry. δ-Octadecalactone is soluble in organic solvents but has limited solubility in water due to its hydrophobic nature. It is often used in perfumery, cosmetics, and food flavoring applications. Additionally, it can be synthesized through the lactonization of fatty acids or their derivatives. Its stability and low volatility make it suitable for various formulations, while its natural occurrence in some plant oils enhances its appeal in natural product formulations. Safety data indicates that it is generally regarded as safe for use in food and cosmetic products when used appropriately.
Formula:C18H34O2
InChI:InChI=1S/C18H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-14-17-15-13-16-18(19)20-17/h17H,2-16H2,1H3
InChI key:InChIKey=VVLRVPJYFLFSQG-UHFFFAOYSA-N
SMILES:C(CCCCCCCCCCCC)C1OC(=O)CCC1
Synonyms:
  • 5-Octadecanolide
  • δ-Octadecalactone
  • Octadecanoic acid, 5-hydroxy-, δ-lactone
  • 2H-Pyran-2-one, tetrahydro-6-tridecyl-
  • Tetrahydro-6-tridecyl-2H-pyran-2-one
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