Description

Tetrahydro-3,6-Dimethyl-2H-Pyran-2-One is a versatile lactone derivative valued for its unique cyclic ester structure and reactivity. This compound serves as a crucial intermediate and building block in advanced organic synthesis, enabling the creation of complex molecules. It is primarily sought by the pharmaceutical, agrochemical, and fragrance industries for research, development, and production processes.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Flavor & Fragrance Ingredient: Acts as a precursor for lactone-based aroma chemicals, contributing to creamy, fruity, or coconut-like notes.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing chiral molecules and exploring new chemical spaces.
• Polymer & Material Science: Serves as a monomer or modifier in the synthesis of specialty polymers and biodegradable materials.
• Solvent & Reaction Medium: Utilized as a polar aprotic solvent in specific organic transformations.

Basic Information

Product Name	Tetrahydro-3,6-Dimethyl-2H-Pyran-2-One
CAS No.	3720-22-7
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	3,6-Dimethyltetrahydro-2H-pyran-2-one; 3,6-Dimethyl-δ-valerolactone; Dihydro-3,6-dimethyl-2(3H)-furanone; 3,6-Dimethyldihydro-2H-pyran-2-one; Tetrahydro-3,6-dimethyl-2-pyrone; 2H-Pyran-2-one, tetrahydro-3,6-dimethyl-; 3720-22-7 (CAS)
EINECS	223-076-3

Quality Control

Our Tetrahydro-3,6-Dimethyl-2H-Pyran-2-One is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including GC/HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials. For long-term storage under inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.450 - 1.455
Density (g/mL, 20°C)	1.02 - 1.06

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