Description

Alpha,α-Dimethyl-γ-Butyrolactone is a high-purity, versatile lactone derivative, also known as 2,2-Dimethyl-γ-butyrolactone, valued for its unique sterically hindered structure. This compound serves as a critical intermediate and building block in advanced organic synthesis, enabling the production of complex molecules with enhanced properties. It is essential for research and manufacturing in the pharmaceutical, agrochemical, and specialty chemical industries, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring hindered lactone motifs.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its structure contributes to product stability and efficacy.
• Flavor & Fragrance Ingredient: Acts as a precursor for musk-like aroma chemicals and other complex fragrance compounds.
• Polymer Chemistry: Employed as a monomer or modifying agent for specialty polymers, including polyesters and resins, to alter physical properties.
• Organic Solvent & Reaction Medium: Functions as a polar aprotic solvent for specific organic reactions, including polymerizations and condensations.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic methodologies and creating novel chemical entities.

Basic Information

Product Name	Alpha,α-Dimethyl-γ-Butyrolactone
CAS No.	3709-08-8
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	2,2-Dimethyl-γ-butyrolactone; 2,2-Dimethyldihydro-2H-furan-3(4H)-one; 2,2-Dimethylbutyrolactone; α,α-Dimethyl-γ-butyrolactone; Dihydro-2,2-dimethyl-3(2H)-furanone; 3-Hydroxy-2,2-dimethylbutyric acid γ-lactone; NSC 66480
EINECS	223-059-8

Quality Control

Our Alpha,α-Dimethyl-γ-Butyrolactone is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets the highest standards of purity and consistency. Certificates of Analysis (COA) detailing specific results for identity, assay, and impurity profiles are provided with every shipment to guarantee full traceability and compliance with your project requirements.

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 oxidizing agents, strong bases, and heat sources.

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 (n20/D)	1.430 - 1.435
Density (g/mL at 20°C)	1.010 - 1.030

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