1,3-Isobenzofurandione, 4,5,6,7-Tetrachloro-, Polymer With 1,2-Ethanediol, 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol, 1,3-Isobenzofurandione And 2,2-Oxybisethanol CAS NO 158735-32-1

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CAS No.:158735-32-1

Grade:Pharmacy Grade

Content:99.9%

Brand:Customizable

Packaging:Customizable

Description

1,3-Isobenzofurandione, 4,5,6,7-Tetrachloro-, Polymer With 1,2-Ethanediol, 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol, 1,3-Isobenzofurandione And 2,2-Oxybisethanol is a specialized polymeric resin derived from tetrachlorophthalic anhydride and a blend of polyols. This compound is engineered to deliver exceptional thermal stability, chemical resistance, and tailored reactivity for advanced material formulations. It is a critical intermediate for manufacturers in the coatings, electronics, and specialty polymer industries seeking to enhance product durability and performance.

Application

High-Performance Coatings & Enamels: Serves as a key resin component for wire enamels, insulating varnishes, and industrial coatings requiring superior thermal and chemical resistance.
Epoxy Curing Agents & Modifiers: Used to formulate advanced curing agents and flexibilizers for epoxy resin systems in composites and adhesives.
Flame-Retardant Polymers: Imparts inherent flame-retardant properties to polyesters, polyurethanes, and other engineered plastics due to its tetrachlorinated structure.
Electronic Encapsulants & Potting Compounds: Provides excellent electrical insulation and environmental protection in components for the electronics and electrical industries.
Specialty Polyester & Alkyd Resins: Acts as a reactive monomer or cross-linking agent to improve hardness, weatherability, and adhesion in resin production.
Industrial Adhesives & Sealants: Enhances the thermal stability and bond strength of high-temperature adhesives and sealants.

Basic Information

Item	Details
Product Name	1,3-Isobenzofurandione, 4,5,6,7-Tetrachloro-, Polymer With 1,2-Ethanediol, 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol, 1,3-Isobenzofurandione And 2,2-Oxybisethanol
CAS No.	158735-32-1
Molecular Formula	Polymeric substance; Contact for details
Molecular Weight	Polymeric substance; Contact for details
Synonyms	Tetrachlorophthalic Anhydride Polyol Polymer; TCPA Polyol Copolymer; Poly(tetrachlorophthalic anhydride-co-ethylene glycol-co-trimethylolpropane-co-phthalic anhydride-co-diethylene glycol); Tetrachlorophthalic Glycol Polyester Resin; Halogenated Polyester Polyol; Tetrachlorinated Phthalic Resin; Flame Retardant Polyol Ester
EINECS	Contact for details

Quality Control

Our production of this advanced polymeric material adheres to strict quality management systems. Every batch is characterized for critical parameters including acid value, hydroxyl value, viscosity, and halogen content to ensure consistent performance. Certificates of Analysis (COA) documenting these specifications are provided with each shipment. We support compliance with global regulatory frameworks such as REACH.

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 bases and sources of ignition. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Light yellow to amber viscous resin or solid
Acid Value (mg KOH/g)	Contact for details
Hydroxyl Value (mg KOH/g)	Contact for details
Viscosity (at 25°C)	Contact for details
Chlorine Content (%)	Contact for details
Softening Point (°C)	Contact for details