Description

4,4′-Dihydroxybenzophenone is a high-purity organic compound belonging to the benzophenone class, serving as a versatile intermediate in advanced chemical synthesis. Its value lies in its dual phenolic functionality, which makes it a critical building block for creating polymers, stabilizers, and specialty chemicals with enhanced performance characteristics. This product is essential for manufacturers and R&D teams in the polymer, pharmaceutical, and UV-absorber industries seeking reliable, high-quality raw materials.

Application

• Polymer Intermediate: A key monomer for synthesizing high-performance engineering plastics, polyesters, and epoxy resins.
• UV Stabilizer & Light Absorber Precursor: Used in the production of additives that protect plastics, coatings, and packaging from photodegradation.
• Pharmaceutical Intermediate: Serves as a building block in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Crosslinking Agent: Employed in the formulation of coatings, adhesives, and sealants to improve thermal and mechanical properties.
• Chemical Research (R&D): Utilized in academic and industrial laboratories for developing new materials and organic compounds.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of certain dyes and organic pigments.

Basic Information

Product Name	4,4′-Dihydroxybenzophenone
CAS No.	18239-10-6
Molecular Formula	C13H10O3
Molecular Weight	214.22 g/mol
Synonyms	4,4'-Dihydroxybenzophenone; Benzophenone, 4,4'-dihydroxy-; DHBP; Bis(4-hydroxyphenyl)methanone; 4,4'-Bis(hydroxy)benzophenone; p,p'-Dihydroxybenzophenone; (4-Hydroxyphenyl)(4-hydroxyphenyl)methanone; 1,1'-(Carbonylbis(4,1-phenylene))dioxybis(ethane-1,1-diyl) diacetate (related ester)
EINECS	Contact for details

Quality Control

Our 4,4′-Dihydroxybenzophenone is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, to meet exacting customer specifications. A Certificate of Analysis (COA) detailing all quality parameters is provided with every shipment to guarantee compliance with your requirements.

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 incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Melting Point	208°C - 212°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.