Description

2,2-Diphenylpropanedioic Acid is a versatile organic dicarboxylic acid derivative characterized by its two phenyl substituents. This compound serves as a valuable intermediate and building block in advanced organic synthesis, particularly for the construction of complex molecular architectures. It is essential for R&D and production in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), especially in developing compounds with diphenyl motifs.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Preparation: Serves as a precursor for chiral ligands and organocatalysts used in asymmetric synthesis.
• Polymer Chemistry: Acts as a monomer or chain modifier in the production of specialty polyesters and polyamides with enhanced properties.
• Organic Synthesis Research: A crucial reagent in academic and industrial laboratories for constructing complex organic molecules and studying reaction mechanisms.
• Fine Chemical Production: Intermediate in the manufacture of dyes, pigments, and other performance chemicals.

Basic Information

Product Name	2,2-Diphenylpropanedioic Acid
CAS No.	5457-11-4
Molecular Formula	C₁₅H₁₂O₄
Molecular Weight	256.25 g/mol
Synonyms	Diphenylmalonic Acid; 2,2-Diphenylmalonic Acid; Propanedioic acid, 2,2-diphenyl-; Diphenylpropanedioic Acid; α,α-Diphenylmalonic Acid; Benzeneacetic acid, α-carboxy-α-phenyl-; NSC 1632; USAF EK-5720
EINECS	226-704-3

Quality Control

Our 2,2-Diphenylpropanedioic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with detailed specifications for traceability and quality assurance, supporting compliance in regulated applications.

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 strong acids and organic solvents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	168°C - 172°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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