Description

3,3'-Methylenebisphenol CAS NO 10193-50-7 is a high-purity bisphenol derivative characterized by its methylene-bridged phenolic structure. This compound serves as a critical building block and intermediate in the synthesis of advanced polymers, resins, and specialty chemicals. It is essential for manufacturers and R&D facilities in the polymer, epoxy resin, and fine chemical industries seeking to develop materials with enhanced thermal stability and mechanical properties.

Application

• Polymer Intermediate: A key monomer for the production of novel polycarbonates, epoxy resins, and phenolic resins.
• Epoxy Curing Agent/Modifier: Used to modify the cross-linking density and thermal properties of epoxy systems.
• Flame Retardant Synergist: Incorporated into polymer formulations to improve flame-retardant efficacy.
• Antioxidant Precursor: Serves as a starting material in the synthesis of high-performance phenolic antioxidants for plastics and lubricants.
• Pharmaceutical Intermediate: Utilized in the research and development of certain active pharmaceutical ingredients (APIs).
• Adhesive & Coating Formulations: Enhances the performance and durability of industrial adhesives and protective coatings.
• Chemical Research: Employed as a standard or reagent in organic synthesis and material science research.

Basic Information

Product Name	3,3'-Methylenebisphenol
CAS No.	10193-50-7
Molecular Formula	C13H12O2
Molecular Weight	200.23 g/mol
Synonyms	3,3'-Methylenediphenol; Bis(3-hydroxyphenyl)methane; 3,3'-Dihydroxydiphenylmethane; Phenol, 3,3'-methylenebis-; MDP; Bisphenol M; 3,3'-Bis(hydroxyphenyl)methane; 1,1'-Methylenebis(3-hydroxybenzene)
EINECS	233-461-3

Quality Control

Our 3,3'-Methylenebisphenol is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and spectroscopic methods, to ensure it meets precise purity and composition specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your technical 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 strong oxidizers, strong acids, and strong bases. The product may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	118 - 122 °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.