Description

4,4'-(5-Hydroxypentylidene)Bisresorcinol is a specialized phenolic compound that serves as a versatile intermediate in advanced organic synthesis. Its molecular structure, featuring two resorcinol moieties linked by a hydroxypentylidene bridge, makes it a valuable precursor for creating complex polymers and functional materials. This chemical is particularly relevant for industries focused on developing high-performance resins, specialty adhesives, and advanced pharmaceutical intermediates.

Application

• As a key monomer or chain extender in the synthesis of high-performance phenolic resins and epoxy systems.
• In the production of specialty adhesives and sealants requiring enhanced thermal stability and mechanical properties.
• As a versatile pharmaceutical intermediate for the synthesis of complex active pharmaceutical ingredients (APIs).
• In the research and development of advanced polymer materials, including polycarbonates and polyesters.
• For the formulation of UV-curable coatings and inks, leveraging its phenolic functionality.
• As a chemical intermediate in organic synthesis for agrochemicals and dyes.
• In analytical chemistry as a reference standard or reagent for method development and quality control.

Basic Information

Product Name	4,4'-(5-Hydroxypentylidene)Bisresorcinol
CAS No.	67828-51-7
Molecular Formula	C17H20O5
Molecular Weight	304.34 g/mol
Synonyms	5-Hydroxy-1,1'-(5-hydroxypentylidene)bis[1,3-benzenediol]; 4,4'-(5-Hydroxypentylidene)diresorcinol; Bis(2,4-dihydroxyphenyl)-5-hydroxypentylmethane; 1,1'-(5-Hydroxypentylidene)bis(3,5-dihydroxybenzene); 4,4'-(5-Hydroxypentylidene)bis(benzene-1,3-diol); 5-Hydroxypentylidenebisresorcinol; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 4,4'-(5-Hydroxypentylidene)Bisresorcinol is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, related substances, and physical characteristics. We support custom synthesis and purification to meet specific project requirements, including research and cGMP-grade material.

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 sensitivity to oxidation, prolonged storage under an inert atmosphere (e.g., nitrogen or argon) is recommended for optimal long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Maximum Impurity	≤ 0.5%

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