Description

5-Hydroxy-4-Methylhexanoicaciddelta-Lactone is a specialized lactone compound, also known as 4-Methyl-5-hydroxyhexanoic acid δ-lactone, valued for its unique cyclic ester structure and organoleptic properties. This chemical serves as a versatile intermediate and flavor/fragrance ingredient, offering significant value in fine chemical synthesis. It is primarily sought by manufacturers in the flavor & fragrance, pharmaceutical intermediates, and specialty chemical sectors for creating complex molecular architectures and sensory profiles.

Application

• Flavor and Fragrance Ingredient: Used as a building block or modifier in the synthesis of complex aroma chemicals and flavoring agents, contributing creamy, coconut, or fruity nuances.
• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and production of active pharmaceutical ingredients (APIs), particularly those requiring specific lactone functionalities.
• Specialty Chemical Synthesis: Acts as a precursor for polymers, plasticizers, and other high-value organic compounds where its hydroxyl and lactone groups enable further chemical transformations.
• Food Additive Production: Employed in the manufacture of certain food-grade additives where lactones are used as flavor enhancers.
• Cosmetic and Personal Care: Incorporated into formulations for perfumes and skincare products due to its potential fragrance characteristics.
• Agrochemical Intermediates: Utilized in the synthesis of certain advanced crop protection agents and pesticides.

Basic Information

Product Name	5-Hydroxy-4-Methylhexanoicaciddelta-Lactone
CAS No.	10413-18-0
Molecular Formula	C7H12O3
Molecular Weight	144.17 g/mol
Synonyms	4-Methyl-5-hydroxyhexanoic acid δ-lactone; 5-Hydroxy-4-methylhexanoic acid lactone; δ-5-Hydroxy-4-methylhexanolactone; 4-Methyl-5-hydroxy-δ-hexalactone; 5-Hydroxy-4-methylcaproic acid lactone; (3S,6S)-6-Methyl-5-oxotetrahydro-2H-pyran-3-ol (enantiomer); Hexanoic acid, 5-hydroxy-4-methyl-, δ-lactone
EINECS	233-886-1

Quality Control

Our 5-Hydroxy-4-Methylhexanoicaciddelta-Lactone is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting purity, physical properties, and impurity profiles are available upon request for full traceability and quality assurance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 97.0%
Optical Rotation	Contact for details
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.