1,3-Isobenzofurandione, Polymer With 2,5-Furandione And 1,2-Propanediol CAS NO 25037-66-5

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CAS No.:25037-66-5

Grade:Pharmacy Grade

Content:99.9%

Brand:Customizable

Packaging:Customizable

Description

1,3-Isobenzofurandione, Polymer With 2,5-Furandione And 1,2-Propanediol is a high-performance polymeric resin, specifically a poly(phthalic anhydride-co-maleic anhydride-co-propylene glycol). This compound matters for its excellent film-forming, adhesive, and cross-linking properties, making it a versatile intermediate for advanced material synthesis. It is primarily needed by manufacturers in the coatings, adhesives, and specialty polymer industries seeking to enhance product durability and chemical resistance.

Application

As a key resin component in high-performance industrial and protective coatings.
As a cross-linking agent and hardener in epoxy and polyester resin systems.
In the formulation of specialty adhesives and sealants requiring strong bonding and thermal stability.
As a polymeric intermediate for synthesizing alkyd resins used in paints and varnishes.
In the production of electrical insulation materials and encapsulants.
For manufacturing composite materials and fiber-reinforced plastics (FRP).
As a modifier to improve the mechanical properties and chemical resistance of other polymers.

Basic Information


Product Name	1,3-Isobenzofurandione, Polymer With 2,5-Furandione And 1,2-Propanediol
CAS No.	25037-66-5
Molecular Formula	(C8H4O3·C4H2O3·C3H8O2)x
Molecular Weight	Polymeric substance (Contact for details)
Synonyms	Poly(phthalic anhydride-co-maleic anhydride-co-propylene glycol); Phthalic Anhydride-Maleic Anhydride-Propylene Glycol Copolymer; PA-MA-PG Copolymer; Polyester resin precursor; Alkyd resin intermediate; 1,3-Dihydro-1,3-dioxoisobenzofuran polymer with 2,5-furandione and 1,2-propanediol; Maleic-Phthalic PG Polyester; Anhydride-modified polyester polyol
EINECS	Contact for details

Quality Control

Our 1,3-Isobenzofurandione, Polymer With 2,5-Furandione And 1,2-Propanediol is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent composition, viscosity, acid value, and performance characteristics. Certificates of Analysis (COA) documenting key specifications 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). This material is light-sensitive and easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as nitrogen to preserve stability and prevent degradation.

Specification

Item	Specification
Appearance	Pale yellow to amber solid or viscous liquid
Identification (IR)	Conforms to structure
Acid Value	Contact for details
Viscosity (at 25°C)	Contact for details
Softening Point	Contact for details
Non-Volatile Content	> 98%
Color (Gardner)	≤ 4