Description

Ethylene Glycol Bis(4-Trimellitate Anhydride) is a high-purity, multi-functional anhydride monomer widely used in advanced polymer synthesis. This compound is valued for its ability to introduce rigid, aromatic structures and multiple reactive sites into polymer backbones, significantly enhancing thermal and mechanical properties. It is a critical raw material for manufacturers in the electronics, aerospace, and high-performance coatings industries seeking to develop advanced polyimides, epoxy curing agents, and specialty polyesters.

Application

• Polyimide Synthesis: A key monomer for producing high-temperature, high-strength polyimide resins and films used in flexible printed circuits (FPCs) and aerospace components.
• Epoxy Curing Agent: Functions as a high-performance curing agent for epoxy resins, imparting excellent heat resistance, chemical stability, and mechanical strength to composites and adhesives.
• Polyester & Alkyd Resins: Used in the synthesis of specialty saturated polyesters and alkyd resins for industrial coatings, wire enamels, and insulating varnishes.
• Plasticizers & Modifiers: Serves as a precursor for synthesizing polymeric plasticizers and property modifiers for engineering plastics like PVC and nylon.
• Crosslinking Agent: Employed as a crosslinker in thermosetting polymer systems to improve dimensional stability and thermal performance.
• Pharmaceutical Intermediates: Utilized in the synthesis of complex pharmaceutical intermediates and active ingredients.

Basic Information

Product Name	Ethylene Glycol Bis(4-Trimellitate Anhydride)
CAS No.	1732-96-3
Molecular Formula	C22H10O12
Molecular Weight	466.31 g/mol
Synonyms	1,2-Bis(4-carboxyphthaloyloxy)ethane dianhydride; Ethylene glycol bis(trimellitate) dianhydride; EGTA; Ethylene glycol bis(anhydrotrimellitate); 4,4'-(Ethylenedioxy)bis(1,3-dihydro-1,3-dioxoisobenzofuran-5-carboxylic acid) dianhydride; Bis(4-trimellitic anhydride) ethylene glycol ester; 1,2-Ethanediyl bis(1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylate)
EINECS	217-069-6

Quality Control

Our Ethylene Glycol Bis(4-Trimellitate Anhydride) is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, impurity profile, and identity confirmation, to ensure it meets the stringent requirements for high-performance polymer applications. Certificates of Analysis (COA) detailing purity, moisture content, and other critical parameters are available upon request.

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). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and hydrolysis.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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