Description

Diethyl 3,6-Dihydro-2H-Pyran-2,2-Dicarboxylate is a versatile dihydropyran derivative that serves as a key synthetic intermediate in organic chemistry. Its value lies in its bifunctional ester groups and cyclic enol ether structure, enabling its use in constructing complex molecular frameworks. This compound is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for synthesizing active ingredients and novel compounds.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of complex drug molecules, particularly those containing heterocyclic scaffolds.
• Agrochemical Synthesis: Used in the research and development of novel pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other specialty chemicals requiring specific chiral or structural elements.
• Academic & Industrial Research: Employed in methodological studies, such as Diels-Alder reactions, ring-opening transformations, and the development of new synthetic pathways.
• Material Science: Potential monomer or modifier in the development of specialized polymers with unique properties.

Basic Information

Product Name	Diethyl 3,6-Dihydro-2H-Pyran-2,2-Dicarboxylate
CAS No.	24588-58-7
Molecular Formula	C10H14O5
Molecular Weight	214.22 g/mol
Synonyms	Diethyl 3,6-dihydro-2H-pyran-2,2-dicarboxylate; 2H-Pyran-2,2-dicarboxylic acid, 3,6-dihydro-, diethyl ester; Diethyl 3,6-dihydro-2H-pyran-2,2-dicarboxylate; 3,6-Dihydro-2H-pyran-2,2-dicarboxylic acid diethyl ester; Diethyl 2,2-dicarboxylate-3,6-dihydro-2H-pyran; DHP Diester; Dihydropyran dicarboxylate diester
EINECS	Contact for details

Quality Control

Our Diethyl 3,6-Dihydro-2H-Pyran-2,2-Dicarboxylate is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (HPLC, GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. The container should be kept tightly sealed when not in use to minimize moisture absorption and prevent contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index	1.460 - 1.470
Density	1.10 - 1.20 g/mL

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