Description

Poly(Vinyl Alcohol), Thiodipropionate Ester CAS NO 63123-11-5 is a specialized polymer additive derived from polyvinyl alcohol, modified with thiodipropionate ester groups. This chemical modification imparts significant antioxidant and stabilizing properties, making it a critical component for enhancing the longevity and performance of sensitive materials. It is primarily sought after by formulators in the polymer, coating, and specialty chemical industries who require advanced stabilization against thermal and oxidative degradation. Its unique structure offers a balance of compatibility and efficacy in demanding applications.

Application

• As a polymer stabilizer and antioxidant in polyolefins (e.g., polyethylene, polypropylene) to prevent thermal degradation during processing.
• As a light stabilizer and antioxidant in coatings, adhesives, and sealants to improve weatherability and service life.
• As a functional additive in specialty films and packaging materials to protect contents from oxidative damage.
• In the formulation of masterbatches and compounds for the plastics industry to ensure consistent product quality.
• As a potential stabilizing agent in synthetic fibers and elastomers to enhance durability.
• For research and development purposes in creating new advanced material systems with improved environmental resistance.

Basic Information

Product Name	Poly(Vinyl Alcohol), Thiodipropionate Ester
CAS No.	63123-11-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Polyvinyl Alcohol Thiodipropionate Ester; PVA Thiodipropionate Ester; Thiodipropionic Acid Ester of Polyvinyl Alcohol; Antioxidant PVA Derivative; Poly(Vinyl Alcohol) Ester with 3,3'-Thiodipropionic Acid; Polyvinyl Alcohol Thiodipropionate; Polymer-bound Thiodipropionate; PVA-TDP Ester
EINECS	Contact for details

Quality Control

Our Poly(Vinyl Alcohol), Thiodipropionate Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and performance. We provide comprehensive Certificates of Analysis (COA) upon request, detailing key parameters such as assay, ester content, and residual solvents. Our commitment to consistent quality supports your formulation stability and supply chain reliability.

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 easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen) for long-term preservation. Keep away from strong oxidizing agents, heat, and ignition sources.

Specification

Item	Specification
Appearance	White to off-white powder or flakes
Identification (IR)	Conforms to structure
Assay (Ester Content)	≥ 95.0%
Volatile Matter	≤ 2.0%
Ash Content	≤ 0.5%
pH (in solution)	5.0 - 7.0

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