Description

4,4'-Isopropylidenediphenoxyacetic Acid is a high-purity organic acid derivative of significant industrial interest. This compound serves as a versatile chemical intermediate and building block in advanced synthesis, valued for its unique aromatic and acidic functionalities. It is primarily sought by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for the development of active ingredients and performance materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for anti-inflammatory and hormone-related therapies.
• Agrochemical Synthesis: Used in the production of advanced herbicides and plant growth regulators, leveraging its diphenoxy structure.
• Polymer Chemistry: Acts as a monomer or cross-linking agent for creating specialty polyesters, epoxy resins, and other high-performance polymers.
• Liquid Crystal & Electronic Materials: Serves as a precursor in the manufacture of liquid crystal displays (LCDs) and other electronic chemicals due to its rigid molecular structure.
• Research & Development: Employed in academic and industrial R&D labs for organic synthesis and the development of new chemical entities.
• Dye & Pigment Industry: Utilized as an intermediate in the synthesis of complex organic dyes and colorants.

Basic Information

Product Name	4,4'-Isopropylidenediphenoxyacetic Acid
CAS No.	3539-42-2
Molecular Formula	C19H20O5
Molecular Weight	328.36 g/mol
Synonyms	Bisphenol A Diglycidyl Ether Acetic Acid; 2,2-Bis[4-(carboxymethoxy)phenyl]propane; Acetic acid, 2,2-bis[4-(carboxymethoxy)phenyl]propane; BADGE-acetic acid; 4,4'-(1-Methylethylidene)bis[phenoxyacetic acid]; Bisphenol A bis(2-carboxyethyl) ether; BPA Diglycidyl Ether Acetic Acid Derivative
EINECS	222-580-1

Quality Control

Every batch of 4,4'-Isopropylidenediphenoxyacetic Acid is manufactured under strict quality management systems. We ensure compliance with relevant industry standards, and our quality control includes rigorous testing for identity, purity, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing specific results for each parameter is provided with every shipment to guarantee traceability and consistency.

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 container must be kept tightly sealed to protect the product from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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