Description

Bispentanoic Acid Methylenebis(4,1-Phenylene) Ester is a specialized organic ester compound, identified by CAS NO 55724-88-4. This chemical serves as a versatile intermediate and functional additive, valued for its ability to modify polymer properties and act as a precursor in advanced synthesis. It is primarily sought by manufacturers in the polymer, specialty chemical, and advanced materials industries for applications requiring tailored thermal and mechanical performance.

Application

• As a plasticizer or modifier in high-performance polymer resins and coatings.
• Key intermediate in the synthesis of specialty chemicals and pharmaceuticals.
• Component in adhesive and sealant formulations to enhance flexibility and durability.
• Used in the production of advanced composite materials for automotive and aerospace sectors.
• Potential cross-linking agent or chain extender in polyurethane and epoxy systems.
• Additive in lubricant and functional fluid formulations.

Basic Information

Product Name	Bispentanoic Acid Methylenebis(4,1-Phenylene) Ester
CAS No.	55724-88-4
Molecular Formula	C31H34O4
Molecular Weight	470.60 g/mol
Synonyms	4,4'-Methylenebis(phenyl pivalate); Bis(pivalic acid) 4,4'-methylenediphenyl ester; Diphenylmethane-4,4'-diyl bis(2,2-dimethylpropanoate); Pivalic Acid, 4,4'-Methylenediphenyl Ester; 2,2-Dimethylpropanoic Acid 4,4'-Methylenediphenyl Ester; Bis(4-pivaloyloxyphenyl)methane; 55724-88-4; Methylenebis(4,1-phenylene) bis(2,2-dimethylpropanoate)
EINECS	Contact for details

Quality Control

Our Bispentanoic Acid Methylenebis(4,1-Phenylene) Ester is produced under a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with agreed specifications. Certificates of Analysis (COA) documenting key parameters such as assay, identity, and impurity profiles 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 (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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