Description

2,2-Pentamethylene-1,3-Dioxolan-4-One is a specialized cyclic carbonate ester, a versatile chemical intermediate with significant utility in advanced organic synthesis. Its unique structure makes it a valuable precursor for constructing complex molecules, particularly in the development of polymers, pharmaceuticals, and fine chemicals. This compound is essential for research and industrial chemists in sectors such as pharmaceuticals, agrochemicals, and materials science who require high-purity building blocks for innovative applications.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds containing cyclic carbonate or lactone motifs.
• Polymer Chemistry: Serves as a monomer or co-monomer for producing specialty polycarbonates and other functional polymers with tailored properties.
• Fine Chemical Synthesis: Used in the preparation of complex organic molecules, including chiral compounds, for agrochemicals and performance chemicals.
• Crosslinking Agent: Functions as a reactive intermediate in formulations for coatings, adhesives, and resins that require specific crosslinking capabilities.
• Chemical Research: A valuable reagent in academic and industrial R&D for exploring new synthetic methodologies and material properties.

Basic Information

Product Name	2,2-Pentamethylene-1,3-Dioxolan-4-One
CAS No.	4423-79-4
Molecular Formula	C8H12O3
Molecular Weight	156.18 g/mol
Synonyms	1,3-Dioxolan-4-one, 2,2-pentamethylene-; 2,2-Pentamethylene-1,3-dioxolan-4-one; Cyclic Propylene Carbonate, Pentamethylene derivative; 1,2-Propanediol cyclic carbonate, 2,2-pentamethylene-; Tetrahydro-2H-pyran-2-spiro-2'-(1',3'-dioxolan)-4'-one; 2-Oxo-1,3-dioxolane-2-pentamethylene
EINECS	Contact for details

Quality Control

Our 2,2-Pentamethylene-1,3-Dioxolan-4-One is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including chromatographic and spectroscopic methods, to meet exacting customer specifications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

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, strong acids, and strong bases. 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)	≥ 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.