Description

Poly(Di(Ethylene Glycol) Phthalate) is a specialized polymeric plasticizer and intermediate derived from phthalic acid and diethylene glycol. This compound is valued for its ability to impart flexibility, durability, and processability to various polymer matrices, particularly in applications requiring specific solubility and compatibility profiles. It serves as a critical raw material for manufacturers in the polymer, coatings, and specialty chemical industries seeking to modify material properties for enhanced performance.

Application

• As a polymeric plasticizer in the formulation of flexible PVC products, such as cables, films, and synthetic leather, offering improved migration resistance compared to monomeric phthalates.
• A key intermediate in the synthesis of more complex polyester resins and alkyds for coatings and adhesives.
• Used in the production of specialty polyurethane dispersions (PUDs) to tailor flexibility and hydrolytic stability.
• As a modifier and compatibilizer in engineering plastics and polymer blends to enhance impact strength and processing characteristics.
• Employed in the formulation of inks and dyes as a dispersing agent and viscosity modifier.
• Potential use in the research and development of biodegradable polymers and controlled-release matrices.

Basic Information

Item	Detail
Product Name	Poly(Di(Ethylene Glycol) Phthalate)
CAS No.	698388-01-1
Molecular Formula	(C12H14O6)n
Molecular Weight	Variable (Polymer)
Synonyms	Poly(diethylene glycol phthalate); Poly(DEG phthalate); Diethylene glycol phthalate polymer; Phthalic acid-diethylene glycol polymer; Poly(oxy-1,2-ethanediyloxycarbonyl-1,4-phenylenecarbonyl); PDEGP; Polyester plasticizer from DEG and phthalic anhydride; Bis(2-hydroxyethyl) terephthalate oligomer (related structure)
EINECS	Contact for details

Quality Control

Our Poly(Di(Ethylene Glycol) Phthalate) is manufactured under a strict quality management system. Each batch is subjected to rigorous analytical testing to ensure consistency in molecular weight distribution, acid value, hydroxyl value, and viscosity. Certificates of Analysis (COA) documenting these key parameters 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). Keep away from strong oxidizing agents and strong bases. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid or solid
Identification (IR)	Conforms to structure
Acid Value	≤ 2.0 mg KOH/g
Hydroxyl Value	Contact for details
Viscosity (25°C)	Specified range available
Moisture (KF)	≤ 0.5%
Color (Gardner)	≤ 3

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