Description

2,2'-Trimethylenebis-1,3-Dioxolane is a specialized cyclic acetal compound, serving as a versatile building block and protecting group in advanced organic synthesis. Its value lies in its bifunctional structure, which provides two reactive sites for constructing complex molecular architectures with high selectivity. This chemical is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries, where it is used to create novel active ingredients and intermediates.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Polymer Chemistry: Used as a monomer or cross-linking agent in the production of specialty polymers and resins.
• Fine Chemical Synthesis: Acts as a protecting group for carbonyl functionalities in multi-step organic synthesis.
• Agrochemical Development: Intermediate in the manufacture of advanced pesticides and herbicides.
• Material Science Research: Employed in developing novel organic materials with specific chemical and physical properties.
• Ligand and Catalyst Preparation: Useful precursor for synthesizing chelating ligands and organocatalysts.

Basic Information

Product Name	2,2'-Trimethylenebis-1,3-Dioxolane
CAS No.	6543-04-0
Molecular Formula	C9H16O4
Molecular Weight	188.22 g/mol
Synonyms	1,3-Dioxolane, 2,2'-(1,3-propanediyl)bis-; 2,2'-(Trimethylenedioxy)bis-1,3-dioxolane; 1,3-Propanediylbis(1,3-dioxolane); Bis(1,3-dioxolan-2-yl)propane; Trimethylene bis(1,3-dioxolane); Acetaldehyde, cyclic trimethylene acetal, dimer; Contact for details for additional trade names.
EINECS	229-473-7

Quality Control

Our 2,2'-Trimethylenebis-1,3-Dioxolane is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for pharmaceutical and industrial applications.

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 oxidizing agents and strong acids. The container should be kept tightly sealed to minimize exposure to moisture.

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)	1.440 - 1.445
Density (20°C)	1.10 - 1.15 g/mL

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