Description

Bis(4-Methylbenzoic Acid)Oxybis(3,1-Propanediyl) Ester is a specialized diester compound valued for its role as a high-performance plasticizer and intermediate in advanced polymer synthesis. This chemical is critical for enhancing the flexibility, durability, and processing characteristics of various polymeric materials. It is primarily sought by manufacturers in the plastics, coatings, and specialty chemical industries for formulating products with specific mechanical and thermal properties.

Application

• Primary Plasticizer for PVC, polyurethanes, and other specialty polymers to improve flexibility and low-temperature performance.
• Polymer Intermediate in the synthesis of polyesters, alkyd resins, and other condensation polymers.
• Coating Formulations to modify the film-forming properties, adhesion, and gloss of industrial and protective coatings.
• Adhesive and Sealant Systems as a component to adjust viscosity, tack, and cure profiles.
• Lubricant and Grease Additive to enhance thermal stability and reduce friction in specialty formulations.
• Chemical Synthesis as a building block for more complex molecules in pharmaceutical and agrochemical research.

Basic Information

Product Name	Bis(4-Methylbenzoic Acid)Oxybis(3,1-Propanediyl) Ester
CAS No.	72138-87-5
Molecular Formula	C24H28O6
Molecular Weight	412.48 g/mol
Synonyms	1,3-Propanediol, oxybis-, bis(4-methylbenzoate); Dipropylene Glycol Bis(4-Methylbenzoate); Oxybis(1,3-propanediyl) bis(4-methylbenzoate); Bis(4-methylbenzoyloxy)propyl Ether; 4-Methylbenzoic Acid 1,1'-[Oxybis(3,1-propanediyl)] Ester; Plasticizer DPMB; Ester of 4-Methylbenzoic Acid and Dipropylene Glycol
EINECS	Contact for details

Quality Control

Our Bis(4-Methylbenzoic Acid)Oxybis(3,1-Propanediyl) Ester is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting key parameters 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). Keep away from heat, sparks, and open flame. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Acidity (as 4-Methylbenzoic Acid)	≤ 0.5%
Water Content (KF)	≤ 0.1%
Refractive Index (20°C)	1.520 - 1.530
Density (20°C)	1.10 - 1.15 g/cm³

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