Description

2,6-Dimethyl-5-Hydroxy-4H-Pyran-4-One is a high-purity organic compound belonging to the pyranone class, valued for its role as a versatile synthetic intermediate and flavor/fragrance precursor. Its significance lies in its structural motif, which is a key building block for pharmaceuticals, agrochemicals, and specialty chemicals. This product is essential for R&D laboratories and manufacturers in the pharmaceutical, flavor & fragrance, and fine chemical industries seeking reliable, high-quality raw materials.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of various active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Flavor & Fragrance Ingredient: Serves as a precursor for creating specific caramel, sweet, or fruity notes in advanced flavor formulations and fragrance compositions.
• Agrochemical Synthesis: Used in the research and production of novel pesticides and herbicides due to its reactive pyranone core.
• Fine Chemical Building Block: Employed in organic synthesis for constructing more complex molecular architectures in R&D and scale-up processes.
• Material Science Research: Investigated as a monomer or precursor for functional polymers and advanced organic materials.
• Academic & Industrial R&D: A valuable reagent for methodological development and chemical exploration in university and corporate laboratories.

Basic Information

Item	Details
Product Name	2,6-Dimethyl-5-Hydroxy-4H-Pyran-4-One
CAS No.	2298-99-9
Molecular Formula	C7H8O3
Molecular Weight	140.14 g/mol
Synonyms	5-Hydroxy-2,6-dimethyl-4H-pyran-4-one; 2,6-Dimethyl-5-hydroxy-4-pyrone; 5-Hydroxy-2,6-dimethyl-4-pyrone; Dehydroacetic acid lactone; DHA lactone; 2,6-Dimethyl-γ-pyrone-5-ol; 4H-Pyran-4-one, 5-hydroxy-2,6-dimethyl-
EINECS	218-973-0

Quality Control

Our 2,6-Dimethyl-5-Hydroxy-4H-Pyran-4-One is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. Certificates of Analysis (COA) documenting these results are available for every shipment upon request, providing full traceability and compliance assurance for your quality protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Specified range available
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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