Description

P,P'-Dda CAS NO 198-35-6 is a high-purity organic chemical compound, specifically a diphenyl derivative, valued for its role as a key synthetic intermediate and building block in advanced chemical synthesis. Its consistent quality and defined structure are critical for ensuring the reliability and reproducibility of downstream chemical processes and final product performance. This compound is essential for research and development laboratories, pharmaceutical manufacturers, and specialty chemical producers engaged in creating complex molecules for various high-value applications.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and other biologically active compounds.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Material Science Research: Acts as a monomer or building block for developing novel polymers, resins, and advanced organic materials with specific properties.
• Fine Chemical Production: Employed in the manufacture of dyes, pigments, and other specialty chemicals requiring precise molecular architectures.
• Academic & Industrial R&D: Utilized in chemical research for method development, catalysis studies, and exploring new synthetic pathways.

Basic Information

Product Name	P,P'-Dda
CAS No.	198-35-6
Molecular Formula	C14H12O4
Molecular Weight	244.24 g/mol
Synonyms	4,4'-Dihydroxydiphenylacetic Acid; 4,4'-(Carboxymethylene)diphenol; Bis(4-hydroxyphenyl)acetic Acid; p,p'-Dihydroxydiphenylacetic Acid; DDA; (4,4'-Dihydroxy)diphenylacetic Acid; 4,4'-Bis(hydroxyphenyl)acetic Acid
EINECS	205-891-5

Quality Control

Our P,P'-Dda is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting specifications for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (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.