Description

4-Hydroxy-3-(3-Hydroxybenzoyl)Benzoic Acid is a specialized organic compound featuring a benzophenone core structure with multiple hydroxyl and carboxylic acid functional groups. This unique molecular architecture makes it a valuable intermediate for synthesizing complex molecules, particularly in advanced material science and pharmaceutical research. It is primarily sought after by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty polymer industries for creating novel compounds with specific optical or biological properties.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), especially those with benzophenone-based structures.
• UV Absorber / Light Stabilizer Precursor: Used in the development of advanced organic UV filters and stabilizers for coatings, plastics, and personal care products.
• Agrochemical Synthesis: Intermediate for creating novel herbicides, fungicides, and plant growth regulators with enhanced efficacy.
• Polymer Modification: Serves as a functional monomer or cross-linking agent to introduce photoactive or hydrophilic properties into specialty polymers and resins.
• Liquid Crystal & OLED Material Research: Utilized in the development of organic semiconductors and liquid crystal compounds for electronic displays.
• Dye & Pigment Intermediate: Precursor for synthesizing high-performance dyes and organic pigments.
• Chelating Agent Development: Its structure allows for the creation of ligands for metal complexation in catalytic or analytical applications.
• Academic & Contract Research: A valuable reagent for chemical research in universities and contract research organizations (CROs).

Basic Information

Product Name	4-Hydroxy-3-(3-Hydroxybenzoyl)Benzoic Acid
CAS No.	68595-48-2
Molecular Formula	C14H10O5
Molecular Weight	258.23 g/mol
Synonyms	3,4-Dihydroxy-3'-benzoylbenzoic Acid; 3'-Benzoyl-3,4-dihydroxybenzoic Acid; 4-Hydroxy-3-(3-hydroxybenzoyl)benzoic acid; Benzoic acid, 4-hydroxy-3-(3-hydroxybenzoyl)-; 3-(3-Hydroxybenzoyl)-4-hydroxybenzoic acid
EINECS	Contact for details

Quality Control

Our 4-Hydroxy-3-(3-Hydroxybenzoyl)Benzoic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, related substances, and residual solvents. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliability for your critical synthesis workflows.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its light-sensitive nature and potential for oxidation, it is recommended to handle under an inert atmosphere for long-term storage and to minimize repeated exposure to air. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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