Description

1,2-Benzenedicarboxylic Acid, Ester With 2,2-1,2-Ethanediylbis(Oxy)Bisethanol is a specialized diester compound, also known as a polyethylene glycol diester of phthalic acid. This chemical serves as a versatile intermediate and functional additive, prized for its ability to modify rheological properties and act as a plasticizer or solvent in high-performance formulations. It is primarily sought by manufacturers in the polymer, coatings, and specialty chemical industries for developing products with enhanced flexibility, compatibility, and processing characteristics.

Application

• As a plasticizer and compatibilizer in polymer blends, particularly for PVC and other resins.
• As a key intermediate in the synthesis of specialized polyester polyols for urethane applications.
• As a viscosity modifier and processing aid in coatings, inks, and adhesive formulations.
• As a solvent and carrier for active ingredients in agrochemical and pharmaceutical preparations.
• In the production of lubricants and functional fluids where thermal stability is required.
• As a component in sealants and caulks to improve elasticity and adhesion.

Basic Information

Product Name	1,2-Benzenedicarboxylic Acid, Ester With 2,2-1,2-Ethanediylbis(Oxy)Bisethanol
CAS No.	68439-19-0
Molecular Formula	C16H22O8 (for a common isomer)
Molecular Weight	342.34 g/mol (for a common isomer)
Synonyms	Polyethylene glycol phthalate diester; PEG phthalate; Bis(2-(2-hydroxyethoxy)ethyl) phthalate; Phthalic acid, bis(2-(2-hydroxyethoxy)ethyl) ester; Di(2-(2-hydroxyethoxy)ethyl) phthalate; 2,2'-[1,2-Ethanediylbis(oxy)]bisethanol phthalate ester; Ethanol, 2,2'-[1,2-ethanediylbis(oxy)]bis-, 1,2-benzenedicarboxylate
EINECS	Contact for details

Quality Control

Our production of 1,2-Benzenedicarboxylic Acid, Ester With 2,2-1,2-Ethanediylbis(Oxy)Bisethanol adheres to strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with every shipment to guarantee traceability and support your quality assurance processes.

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 heat, sparks, and open flame. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Acid Value	≤ 1.0 mg KOH/g
Hydroxyl Value	Contact for details
Specific Gravity (20°C)	1.15 - 1.25

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