Description

Benzoic Acid, 4-[(4-Hydroxybenzoyl)Oxy]-, 4-[(4-Hydroxybenzoyl)Oxy]Phenyl Ester is a specialized organic ester derivative of benzoic acid, valued for its role as a high-performance intermediate in advanced synthesis. This compound is critical for manufacturers requiring precise molecular architecture to impart specific functional properties in their final products. It is primarily sought by the polymer, specialty chemical, and pharmaceutical research sectors for developing novel materials and active ingredients.

Application

• Polymer Additive & Stabilizer: Acts as a key intermediate in the synthesis of advanced polymer additives, including light stabilizers and antioxidants for plastics and coatings.
• Specialty Chemical Synthesis: Serves as a versatile building block for creating complex molecules in agrochemicals, dyes, and liquid crystal materials.
• Pharmaceutical Research Intermediate: Used in the research and development of novel active pharmaceutical ingredients (APIs) due to its specific ester-linked phenolic structure.
• UV Absorber Precursor: A crucial starting material in the manufacture of organic compounds designed to absorb ultraviolet light in various industrial formulations.
• Cross-linking Agent: Functions as a potential cross-linking monomer or agent in the production of specialty resins and high-performance polymers.

Basic Information

Product Name	Benzoic Acid, 4-[(4-Hydroxybenzoyl)Oxy]-, 4-[(4-Hydroxybenzoyl)Oxy]Phenyl Ester
CAS No.	138206-09-4
Molecular Formula	C28H18O8
Molecular Weight	482.44 g/mol
Synonyms	4,4'-Dihydroxybenzophenone Dibenzoate; 4-Hydroxybenzoic Acid 4-[(4-Hydroxybenzoyl)Oxy]phenyl Ester; Bis(4-hydroxybenzoyl) Benzene-1,4-diyldiacetate (alternative representation); 1,4-Phenylenebis(oxy(4-oxo-4H-benzen-1-yl)methanone); p-Phenylene Bis(4-hydroxybenzoate) (common name); Light Stabilizer Intermediate; [138206-09-4]
EINECS	Contact for details

Quality Control

Our production of Benzoic Acid, 4-[(4-Hydroxybenzoyl)Oxy]-, 4-[(4-Hydroxybenzoyl)Oxy]Phenyl Ester adheres to a stringent quality management system to ensure batch-to-batch consistency and reliability. Products undergo rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance protocols.

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 heat, open flames, and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.