Description

3(2H)-Furanone, 5-Methyl- is a versatile heterocyclic lactone compound with the CAS number 3511-32-8. This chemical is valued for its role as a key synthetic intermediate and flavor/fragrance component, offering unique reactivity and organoleptic properties. It is essential for manufacturers and R&D teams in the flavor & fragrance, pharmaceutical, and fine chemical synthesis industries seeking high-purity building blocks.

Application

• Flavor and Fragrance Ingredient: Used as a flavoring agent and aroma chemical, contributing to sweet, caramelic, or fruity notes in food products, beverages, and perfumes.
• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs) and other complex organic molecules.
• Fine Chemical Synthesis: Acts as a versatile precursor in organic synthesis for creating specialty chemicals, agrochemicals, and advanced materials.
• Research & Development: Utilized in academic and industrial R&D laboratories for studying heterocyclic chemistry and developing new synthetic methodologies.
• Cosmetic Additive: Employed in the formulation of cosmetic products where specific fragrance profiles are required.

Basic Information

Product Name	3(2H)-Furanone, 5-Methyl-
CAS No.	3511-32-8
Molecular Formula	C5H6O2
Molecular Weight	98.10 g/mol
Synonyms	5-Methyl-3(2H)-furanone; 5-Methylfuran-3(2H)-one; 5-Methyl-2,3-dihydrofuran-3-one; 5-Methylbutenolide; NSC 403697; γ-Crotonolactone, 5-methyl-; 2,3-Dihydro-5-methyl-3-furanone
EINECS	222-507-0

Quality Control

Our 3(2H)-Furanone, 5-Methyl- is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC, GC) and spectroscopic methods (IR, NMR), to ensure high purity and batch-to-batch consistency. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is easily oxidized (store under inert atmosphere) and light-sensitive (store away from light). Keep away from strong oxidizing agents, strong acids, and strong bases.

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%

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