Description

Alpha, ω-Dipropionic Acid Triethylene Glycol is a specialized diester compound formed from triethylene glycol and dipropionic acid. This chemical is valued for its role as a versatile intermediate and functional additive, offering a unique combination of hydrophilic and hydrophobic properties. It is primarily sought after by manufacturers in the polymer, coatings, and specialty chemical industries for applications requiring controlled reactivity and modification of material characteristics.

Application

• As a monomer or chain extender in the synthesis of specialty polyesters and polyurethanes.
• As a plasticizer or modifier to improve flexibility and processing in polymer formulations.
• As an intermediate for producing surfactants and emulsifiers with specific hydrophilic-lipophilic balance (HLB).
• In the formulation of specialty coatings, adhesives, and sealants to enhance performance properties.
• As a cross-linking agent or reactive diluent in resin systems.
• In lubricant and grease formulations as a performance additive.
• For research and development of novel biodegradable polymers and functional materials.

Basic Information

Product Name	Alpha, ω-Dipropionic Acid Triethylene Glycol
CAS No.	31127-85-2
Molecular Formula	C12H22O8
Molecular Weight	294.30 g/mol
Synonyms	Triethylene Glycol Dipropionate; Triethylene Glycol Bis(propionate); 2,2'-(Ethane-1,2-diylbis(oxy))bis(ethane-2,1-diyl) dipropionate; Propanoic acid, 1,1'-[1,2-ethanediylbis(oxy-2,1-ethanediyl)] ester; TEGDP; Bis(2-(2-hydroxyethoxy)ethyl) propionate (related); Glycol dipropionate ester
EINECS	Contact for details

Quality Control

Our Alpha, ω-Dipropionic Acid Triethylene Glycol is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing key specifications such as assay, appearance, and impurity profiles are provided and available upon request, supporting 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 room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed when not in use to minimize exposure to moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acid Value	≤ 1.0 mg KOH/g
Refractive Index (20°C)	1.440 - 1.450
Density (20°C)	1.10 - 1.20 g/cm³

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