Description

Pentanedioic Acid, Dimethyl Ester, Polymer With 2,2'-Thiobis[Ethanol] is a specialized polymeric ester, also known as a polythioether polyol, derived from dimethyl glutarate and thiodiglycol. This compound is valued for its unique combination of flexibility, hydrolytic stability, and sulfur-containing functionality, making it a versatile intermediate in advanced material synthesis. It is primarily sought by manufacturers in the polymer, coatings, and adhesives industries seeking to enhance product performance characteristics such as elasticity, chemical resistance, and adhesion.

Application

• Polyurethane Elastomers & Foams: Acts as a chain extender or polyol component to impart flexibility, low-temperature performance, and improved hydrolytic stability to polyurethane systems.
• High-Performance Coatings & Resins: Used in the formulation of specialty coatings, sealants, and adhesives where enhanced chemical resistance, durability, and adhesion to substrates are required.
• Polymer Modification: Serves as a reactive modifier for other polymers like polyesters and epoxies to introduce thioether linkages, improving impact resistance and flexibility.
• Lubricant & Fuel Additives: Potential use as an intermediate in the synthesis of extreme pressure additives or stabilizers for lubricants and industrial fluids.
• Pharmaceutical & Cosmetic Intermediates: May be utilized in the synthesis of specific drug delivery agents or specialty ingredients requiring a biocompatible, stable polymeric backbone.

Basic Information

Product Name	Pentanedioic Acid, Dimethyl Ester, Polymer With 2,2'-Thiobis[Ethanol]
CAS No.	65665-46-5
Molecular Formula	(C7H12O4 · C4H10O2S)n
Molecular Weight	Varies (Polymer)
Synonyms	Poly(3-thia-1,5-pentanediyl 3-thiapentanedioate); Polythioether polyol from dimethyl glutarate and thiodiglycol; Dimethyl glutarate-thiodiglycol polymer; Thiodiglycol-dimethyl glutarate copolymer; Poly(thiodiethylene glutarate); Glutaric acid, dimethyl ester, polymer with 2,2'-thiobis[ethanol]; Bis(2-hydroxyethyl) sulfide-dimethyl glutarate polymer
EINECS	Contact for details

Quality Control

Our production of Pentanedioic Acid, Dimethyl Ester, Polymer With 2,2'-Thiobis[Ethanol] adheres to strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistency in key parameters such as hydroxyl value, acid value, viscosity, and molecular weight distribution. Certificates of Analysis (COA) documenting these 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, well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents and excessive heat. Under these conditions, the product is expected to remain stable for extended periods.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Hydroxyl Value (mg KOH/g)	Contact for details
Acid Value (mg KOH/g)	≤ 2.0
Viscosity @ 25°C (cP)	Contact for details
Water Content (KF)	≤ 0.5%

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