Description

3,3-Dimethyl-Tetrahydro-Pyran-2-One is a versatile lactone derivative with a unique cyclic ester structure. This compound serves as a valuable building block and intermediate in advanced organic synthesis, enabling the creation of complex molecular architectures. It is particularly relevant for industries focused on pharmaceuticals, agrochemicals, and specialty chemicals, where its defined stereochemistry and functional group are leveraged in key synthetic pathways.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Flavor & Fragrance Ingredient: Serves as a precursor for lactone-based aroma chemicals, contributing to creamy, fruity, or coconut-like notes.
• Polymer Chemistry: Acts as a monomer or co-monomer for specialty polymers and resins with specific degradation or mechanical properties.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for constructing heterocyclic compounds and natural product analogs.
• Fine Chemical Production: A crucial intermediate in the multi-step synthesis of dyes, pigments, and other performance chemicals.

Basic Information

Product Name	3,3-Dimethyl-Tetrahydro-Pyran-2-One
CAS No.	4830-05-1
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	3,3-Dimethyl-2-oxotetrahydro-2H-pyran; 3,3-Dimethyldihydro-2H-pyran-2(3H)-one; 3,3-Dimethyltetrahydro-2H-pyran-2-one; 2H-Pyran-2-one, tetrahydro-3,3-dimethyl-; 3,3-Dimethyl-δ-valerolactone; Dihydro-3,3-dimethyl-2H-pyran-2-one; Tetrahydro-3,3-dimethyl-2H-pyran-2-one
EINECS	225-411-9

Quality Control

Our 3,3-Dimethyl-Tetrahydro-Pyran-2-One is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Specific Rotation (if applicable)	Contact for details

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