Description

4-Methyl-2-Oxo-1,3-Dioxane (Ws203135) is a high-purity cyclic ester compound, also known as a cyclic carbonate, serving as a versatile and reactive chemical intermediate. Its value lies in its ability to act as a key building block for synthesizing more complex molecules, offering advantages in polymer modification and specialty chemical production. This product is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors seeking to develop novel compounds with enhanced properties.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring cyclic carbonate or protected diol functionalities.
• Polymer Chemistry: Acts as a monomer or co-monomer for producing specialty polycarbonates and polyurethanes with tailored thermal and mechanical properties.
• Agrochemical Synthesis: Serves as a precursor in the manufacture of certain herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Reagent: Employed as a reactive intermediate for introducing the 4-methyl-1,3-dioxan-2-one moiety into target molecules in fine chemical production.
• Crosslinking Agent: Utilized in formulations for coatings, adhesives, and resins to modify crosslink density and final material performance.
• Electrolyte Additive Research: Investigated for use in lithium-ion battery electrolytes to improve stability and performance at high voltages.

Basic Information

Product Name	4-Methyl-2-Oxo-1,3-Dioxane (Ws203135)
CAS No.	17361-58-9
Molecular Formula	C5H8O3
Molecular Weight	116.12 g/mol
Synonyms	4-Methyl-1,3-dioxan-2-one; 4-Methyl-2-oxo-1,3-dioxane; Propylene carbonate, 4-methyl-; 4-Methylpropylene carbonate; Ws203135; 2-Oxo-4-methyl-1,3-dioxane; Cyclic propylene carbonate, 4-methyl-
EINECS	Contact for details

Quality Control

Our 4-Methyl-2-Oxo-1,3-Dioxane is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for synthetic applications. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles 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 room temperature (15-25°C). Keep away from strong bases, strong acids, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	Contact for details
Density (20°C)	Contact for details

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