Description

2-Methoxy-2-Methyl-1,3-Dioxolane is a versatile cyclic acetal and a key chemical intermediate. This compound is valued for its unique reactivity and solvent properties, making it a crucial building block in advanced organic synthesis. It is primarily sought after by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for developing complex molecules and functional materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, particularly where controlled release or specific stereochemistry is required.
• Agrochemical Synthesis: Serves as a precursor or protecting group in the manufacture of advanced herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modifier: Acts as a monomer or cross-linking agent in the production of specialty polymers, coatings, and adhesives to enhance properties like flexibility or chemical resistance.
• Solvent for Specialized Reactions: Employed as a polar aprotic solvent in reactions sensitive to water or requiring specific solvation properties.
• Flavor & Fragrance Ingredient: Utilized as a synthetic intermediate for creating specific ester or acetal notes in high-value aroma chemicals.
• Electrolyte Additive: Investigated for use in lithium-ion battery electrolytes to improve stability and performance at electrode interfaces.

Basic Information

Product Name	2-Methoxy-2-Methyl-1,3-Dioxolane
CAS No.	19798-71-1
Molecular Formula	C6H12O3
Molecular Weight	132.16 g/mol
Synonyms	2-Methoxy-2-methyl-1,3-dioxolane; 2-Methoxy-2-methyl-[1,3]dioxolane; 2-Methyl-2-methoxy-1,3-dioxolane; 1,3-Dioxolane, 2-methoxy-2-methyl-; Acetaldehyde methyl acetal cyclic ethylene acetal; Ethylene acetal of methylal; (2-Methoxypropan-2-yl) ethylene acetal
EINECS	243-324-5

Quality Control

Our 2-Methoxy-2-Methyl-1,3-Dioxolane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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 acids and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.410 - 1.415
Density (20°C)	1.02 - 1.06 g/mL

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