Description

4,4'-Dihydroxytriphenylmethane is a specialized aromatic organic compound featuring a central methane carbon bonded to two phenol rings. This structure makes it a valuable intermediate and building block in advanced polymer synthesis and fine chemical manufacturing. It is particularly sought after by industries involved in producing high-performance resins, specialty dyes, and pharmaceutical intermediates where precise molecular architecture is critical.

Application

• Polymer Intermediate: A key monomer for synthesizing high-performance epoxy resins, phenolic resins, and polycarbonates with enhanced thermal and mechanical properties.
• Fine Chemical Synthesis: Serves as a crucial building block in the multi-step synthesis of complex pharmaceutical actives and agrochemicals.
• Dye and Pigment Manufacturing: Used in the production of specialized triarylmethane dyes and colorants for industrial applications.
• Crosslinking Agent: Functions as a crosslinker in the formulation of thermosetting plastics and advanced composite materials.
• Research & Development: Employed in academic and industrial R&D labs for developing novel organic materials and studying polymerization mechanisms.
• Electronic Chemicals: Potential use in the synthesis of monomers for photoresists and other electronic-grade polymers.

Basic Information

Product Name	4,4'-Dihydroxytriphenylmethane
CAS No.	4081-02-1
Molecular Formula	C19H16O2
Molecular Weight	276.33 g/mol
Synonyms	Bis(4-hydroxyphenyl)phenylmethane; 4,4'-(Phenylmethylene)diphenol; 1,1-Bis(4-hydroxyphenyl)-1-phenylethane (common misnomer); Dihydroxytriphenylmethane; p,p'-Dihydroxytriphenylmethane; Triphenylmethane-4,4'-diol; 4-[Hydroxy(phenyl)methyl]phenol
EINECS	223-806-5

Quality Control

Our 4,4'-Dihydroxytriphenylmethane is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets stringent specifications for industrial and fine chemical use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment. We adhere to cGMP principles where applicable to guarantee supply consistency and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider an inert atmosphere (nitrogen or argon blanket). 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%
Melting Point	160 - 165 °C
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.