Description

Dibenzoic Acid 2,2'-Methylenebisphenyl Ester CAS NO 71840-29-4 is a specialized organic compound belonging to the class of diphenylmethane-based esters. This high-purity chemical intermediate is valued for its role in synthesizing advanced polymers and specialty additives. It is primarily sought by manufacturers in the polymer, plastics, and fine chemical industries for applications requiring precise molecular structure and consistent performance.

Application

• As a key monomer or intermediate in the synthesis of high-performance polyester resins and engineering plastics.
• Used in the production of plasticizers to enhance the flexibility and durability of polymer films and coatings.
• Acts as a building block for specialty additives in lubricants and functional fluids.
• Employed in pharmaceutical intermediate synthesis for active pharmaceutical ingredients (APIs).
• Serves as a cross-linking agent or modifier in advanced epoxy resin formulations.
• Utilized in research and development for creating novel organic materials with specific thermal or mechanical properties.

Basic Information

Product Name	Dibenzoic Acid 2,2'-Methylenebisphenyl Ester
CAS No.	71840-29-4
Molecular Formula	C29H22O4
Molecular Weight	434.48 g/mol
Synonyms	2,2'-Methylenebis(benzoic acid phenyl ester); Diphenylmethane-2,2'-diyldibenzoate; Bis(2-benzoyloxyphenyl)methane; 2,2'-Methylenediphenyl dibenzoate; Phenyl 2-[(2-benzoyloxyphenyl)methyl]benzoate; (Phenylmethyl)diphenyl ester of 2,2'-methylenedibenzoic acid
EINECS	Contact for details

Quality Control

Our Dibenzoic Acid 2,2'-Methylenebisphenyl Ester is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. Certificates of Analysis (COA) documenting these results 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 (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
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.