Description

Dihydro-4-Methyl 2(3H)-Furanone is a versatile lactone compound, also known as 4-Methyl-γ-butyrolactone, valued for its role as a key intermediate and solvent in advanced chemical synthesis. Its unique structure makes it a valuable building block for creating complex molecules in the pharmaceutical and fine chemical industries. This product is essential for manufacturers and R&D facilities focused on developing active pharmaceutical ingredients (APIs), agrochemicals, and specialty polymers.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of various active pharmaceutical ingredients (APIs) and complex organic molecules.
• Flavor and Fragrance Ingredient: Used in the creation of specific lactone-based flavor compounds for food and fragrance applications.
• Agrochemical Synthesis: Serves as an intermediate in the production of certain herbicides, fungicides, and other crop protection agents.
• Polymer and Resin Modifier: Acts as a monomer or co-monomer in the production of specialty polymers and resins, influencing their physical properties.
• Organic Solvent: Employed as a polar aprotic solvent in various organic reactions and purification processes.
• Fine Chemical Synthesis: A versatile starting material for synthesizing dyes, pigments, and other high-value specialty chemicals.

Basic Information

Product Name	Dihydro-4-Methyl 2(3H)-Furanone
CAS No.	1679-49-8
Molecular Formula	C5H8O2
Molecular Weight	100.12 g/mol
Synonyms	4-Methyl-γ-butyrolactone; 4-Methylbutyrolactone; 4-Methyldihydro-2(3H)-furanone; γ-Valerolactone; 4-Methyl-2-oxotetrahydrofuran; 5-Methylbutanolide; 4-Methyl-γ-butyrolactone; 4-Methyl-GBL
EINECS	216-818-5

Quality Control

Our Dihydro-4-Methyl 2(3H)-Furanone is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including GC/HPLC for purity and identity verification, to ensure it meets the high standards required for pharmaceutical and fine chemical applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.430 - 1.435
Density (20°C)	1.050 - 1.070 g/mL

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