Description

Dimethyleneglycol is a versatile chemical intermediate with the CAS registry number 4407-89-0. This compound is valued for its bifunctional reactivity, making it a crucial building block in the synthesis of more complex molecules. It is primarily sought after by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for applications requiring controlled ether-alcohol functionality.

Application

• Pharmaceutical Synthesis: Used as a key intermediate in the production of active pharmaceutical ingredients (APIs) and prodrugs.
• Polymer Chemistry: Serves as a monomer or chain extender in the synthesis of specialty polyethers and polyesters.
• Agrochemical Formulations: Employed in the manufacture of herbicides, pesticides, and plant growth regulators.
• Crosslinking Agent: Functions as a crosslinker in resins and coatings to enhance durability and chemical resistance.
• Solvent & Reaction Medium: Acts as a polar aprotic solvent for various organic synthesis and purification processes.
• Chemical Intermediate: A precursor for synthesizing crown ethers, cryptands, and other complex ligands.

Basic Information

Product Name	Dimethyleneglycol
CAS No.	4407-89-0
Molecular Formula	C4H10O3
Molecular Weight	106.12 g/mol
Synonyms	2,2'-Oxybis(ethanol); Diethylene glycol; Diglycol; 2-Hydroxyethyl ether; Dihydroxy diethyl ether; Ethylene diglycol; 3-Oxapentane-1,5-diol; DEG
EINECS	203-872-2

Quality Control

Our Dimethyleneglycol is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets the required specifications for identity, purity, and impurity profiles. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.115 - 1.120
Refractive Index (20°C)	1.447 - 1.449

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