Description

Carbonic Acid, Ethyl 2-Ethyl-2-Methyl-1,3-Dioxan-5-Yl Ester (9Ci) is a specialized cyclic carbonate ester with the CAS number 545518-32-9. This compound serves as a valuable chemical intermediate and building block in advanced organic synthesis, offering unique reactivity due to its protected diol functionality. It is primarily required by pharmaceutical, agrochemical, and fine chemical R&D laboratories for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of complex drug molecules, particularly those requiring cyclic carbonate or protected glycol motifs.
• Agrochemical Synthesis: Serves as a key precursor for developing novel herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: Acts as a monomer or co-monomer for producing specialty polycarbonates and polymers with tailored properties.
• Fine Chemical Production: Employed in the manufacture of advanced ligands, catalysts, and other high-value specialty chemicals.
• Organic Synthesis Building Block: Provides a versatile scaffold for constructing complex heterocyclic and spirocyclic compounds in research.
• Crosslinking Agent: Potential use in formulating coatings, adhesives, and resins that require specific crosslinking functionalities.

Basic Information

Item	Details
Product Name	Carbonic Acid, Ethyl 2-Ethyl-2-Methyl-1,3-Dioxan-5-Yl Ester (9Ci)
CAS No.	545518-32-9
Molecular Formula	C10H18O5
Molecular Weight	218.25 g/mol
Synonyms	Ethyl 2-Ethyl-2-methyl-1,3-dioxan-5-yl carbonate; 2-Ethyl-2-methyl-1,3-dioxan-5-yl ethyl carbonate; 1,3-Dioxan-5-ol, 2-ethyl-2-methyl-, 5-ethyl carbonate; Cyclic carbonate ester of 2-ethyl-2-methyl-1,3-dioxan-5-ol; 545518-32-9; EC 545518-32-9
EINECS	Contact for details

Quality Control

Our Carbonic Acid, Ethyl 2-Ethyl-2-Methyl-1,3-Dioxan-5-Yl Ester (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing including HPLC, GC, and NMR to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical specifications are available upon request to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (GC)	≥ 96.0%
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.