Description

Hexanedioic Acid, Polymer With 1,2-Propanediol, n-Octyl Ester is a synthetic polyester polyol, specifically an adipic acid-based polymeric plasticizer and modifier. This compound is engineered to impart flexibility, durability, and improved processing characteristics to a wide range of polymeric matrices. It is a critical raw material for formulators and manufacturers in the polymer and coatings industries seeking to enhance product performance and longevity. Its balanced properties make it suitable for applications requiring a combination of low-temperature flexibility and resistance to extraction.

Application

• Primary plasticizer and co-plasticizer for PVC (Polyvinyl Chloride) compounds, including cables, flooring, and synthetic leather.
• Polymeric modifier for polyurethane (PU) systems, such as elastomers, adhesives, and sealants, to adjust flexibility and hardness.
• Key ingredient in the formulation of high-performance industrial and architectural coatings to improve film formation and elasticity.
• Component in adhesive and sealant formulations to enhance adhesion and low-temperature performance.
• Processing aid and internal lubricant for various engineering plastics to improve flow and reduce processing temperatures.
• Used in the production of specialty elastomers requiring permanent flexibility and migration resistance.

Basic Information

Product Name	Hexanedioic Acid, Polymer With 1,2-Propanediol, n-Octyl Ester
CAS No.	82904-80-1
Molecular Formula	(C14H26O4 · C3H8O2)n
Molecular Weight	Polymeric substance (variable)
Synonyms	Adipic Acid, Polymer with Propylene Glycol, n-Octyl Ester; Poly(propylene glycol adipate) octyl ester; Polymeric plasticizer based on adipic acid; Octyl ester of adipic acid-propylene glycol polyester; Adipic acid-propylene glycol polyester octyl ester; Polyester polyol plasticizer; APGO; PPG Adipate Octyl Ester
EINECS	Contact for details

Quality Control

Our production of Hexanedioic Acid, Polymer With 1,2-Propanediol, n-Octyl Ester adheres to a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is analyzed against key parameters including hydroxyl value, acid value, viscosity, and color to meet precise customer specifications. Certificates of Analysis (COA) documenting these results are provided with every 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, well-ventilated area at room temperature (15-25°C). Keep away from strong alkalis and organic solvents. Under these conditions, the product is stable for extended periods. Ensure containers are kept tightly sealed when not in use to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Clear, viscous liquid
Color (Gardner)	≤ 3
Hydroxyl Value (mg KOH/g)	30 - 70
Acid Value (mg KOH/g)	≤ 2.0
Viscosity @ 25°C (mPa·s)	2000 - 8000
Water Content (%)	≤ 0.1
Flash Point (°C)	> 200

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