Description

Isopropylidenedi-1,4-Phenylene Distearate is a high-performance organic ester compound, specifically a diester of bisphenol A and stearic acid. This chemical serves as a critical plasticizer, lubricant, and processing aid, valued for its ability to enhance flexibility, reduce friction, and improve thermal stability in polymer systems. It is primarily utilized by manufacturers in the plastics, rubber, and specialty coatings industries seeking to optimize material performance and processing efficiency.

Application

• As a primary or secondary plasticizer for PVC, polyurethanes, and other engineering polymers to improve flexibility and low-temperature performance.
• Functioning as an internal lubricant and mold release agent in the processing of thermoplastics and elastomers to enhance flow and prevent sticking.
• An additive in hot-melt adhesives and sealants to adjust viscosity, improve adhesion, and provide thermal stability.
• Used as a viscosity modifier and dispersant in specialty coatings, inks, and greases.
• An ingredient in wire and cable insulation compounds to impart flexibility and long-term durability.
• Employed as a processing aid for synthetic fibers to reduce friction during spinning and texturing.

Basic Information

Product Name	Isopropylidenedi-1,4-Phenylene Distearate
CAS No.	65345-37-1
Molecular Formula	C54H98O4
Molecular Weight	811.36 g/mol
Synonyms	Bisphenol A Distearate; 4,4'-Isopropylidenediphenol Distearate; Distearyl Bisphenol A; BPA Distearate; Phenol, 4,4'-(1-methylethylidene)bis-, distearate; 2,2-Bis(4-stearoyloxyphenyl)propane; Bisphenol A Dioctadecanoate
EINECS	Contact for details

Quality Control

Our Isopropylidenedi-1,4-Phenylene Distearate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance. Certificates of Analysis (COA) documenting key parameters such as assay, acid value, and melting point are available upon request to support your quality assurance protocols.

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 oxidizing agents and excessive heat sources to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white flake or powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	55 - 65 °C
Acid Value	≤ 1.0 mg KOH/g
Loss on Drying	≤ 0.5%

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