Description

3,3'-Oxydiphenol is a high-purity aromatic diol compound, also known by its CAS number 7034-31-3. This versatile chemical intermediate is valued for its symmetrical phenolic structure, which makes it a critical building block in advanced polymer synthesis and specialty chemical manufacturing. It is essential for industries requiring high-performance materials, such as engineering plastics, epoxy resins, and pharmaceutical synthesis.

Application

• Polymer & Resin Synthesis: A key monomer for producing high-performance polycarbonates, polyarylates, and epoxy resins with enhanced thermal and chemical resistance.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules due to its reactive phenolic hydroxyl groups.
• Agrochemicals: Serves as a precursor in the manufacture of certain herbicides, fungicides, and plant growth regulators.
• Dyes & Pigments: Acts as an intermediate in the production of advanced colorants and optical brighteners.
• Adhesives & Coatings: Incorporated into formulations to improve adhesion, durability, and cross-linking density in specialty coatings and adhesives.
• Flame Retardants: Used as a reactive component in the synthesis of halogen-free flame retardant additives for polymers.

Basic Information

Product Name	3,3'-Oxydiphenol
CAS No.	7034-31-3
Molecular Formula	C₁₂H₁₀O₃
Molecular Weight	202.21 g/mol
Synonyms	3,3'-Dihydroxydiphenyl Ether; Bis(3-hydroxyphenyl) Ether; 3-Hydroxyphenyl Ether; 1,1'-Oxybis(3-hydroxybenzene); 3,3'-Oxydiphenol; 3,3'-Hydroxydiphenyl Ether; m,m'-Oxydiphenol; Resorcinol Ether
EINECS	230-313-1

Quality Control

Our 3,3'-Oxydiphenol is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, to ensure it meets exacting standards for industrial and fine chemical applications. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are provided with every shipment to guarantee supply reliability and batch-to-batch consistency.

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). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	120 - 124 °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.