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CAS 710-04-3

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δ-Undecalactone

Description:
δ-Undecalactone, also known as undecylic lactone, is a cyclic ester with the molecular formula C11H20O2. It is characterized by its pleasant, creamy, and fruity odor, often reminiscent of coconut or peach, making it a popular choice in the flavor and fragrance industries. This compound is a colorless to pale yellow liquid at room temperature and has a relatively low boiling point. δ-Undecalactone is soluble in organic solvents such as ethanol and ether but has limited solubility in water due to its hydrophobic nature. It is produced through the lactonization of undecanoic acid and can also be synthesized via various chemical pathways. In addition to its applications in food flavoring and perfumery, δ-undecalactone is also studied for its potential use in cosmetics and personal care products. Safety data indicates that it should be handled with care, as it may cause skin irritation or allergic reactions in sensitive individuals. Overall, δ-undecalactone is valued for its sensory properties and versatility in various applications.
Formula:C11H20O2
InChI:InChI=1S/C11H20O2/c1-2-3-4-5-7-10-8-6-9-11(12)13-10/h10H,2-9H2,1H3
InChI key:InChIKey=YZRXRLLRSPQHDK-UHFFFAOYSA-N
SMILES:C(CCCCC)C1OC(=O)CCC1
Synonyms:
  • (RS)-δ-Undecalactone
  • (±)-δ-Undecalactone
  • 2H-Pyran-2-one, 6-hexyltetrahydro-
  • 5-Hydroxyundecanoic acid lactone
  • 5-Undecanolide
  • 6-Hexyl-2H-tetrahydropyran-2-one
  • 6-hexyltetrahydro-2H-pyran-2-one
  • Delta-Undecalactone
  • Hendecanoic acid, 5-hydroxy-, lactone
  • Undecanoic acid, 5-hydroxy-, δ-lactone
  • See more synonyms
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