Description

2,2-Bis(4-Hydroxyphenyl)Butane is a high-purity bisphenol derivative, also known as Bisphenol B, with the CAS number 77-40-7. This compound serves as a critical monomer and intermediate in the synthesis of advanced polymers and specialty chemicals, valued for its phenolic hydroxyl groups and robust molecular structure. It is essential for manufacturers and R&D facilities in the polymer, resin, and fine chemical industries seeking reliable, high-quality raw materials for production and innovation.

Application

• Polymer Synthesis: Key monomer for producing specialized epoxy resins, polycarbonates, and phenolic resins with tailored thermal and mechanical properties.
• Chemical Intermediate: Serves as a vital building block in organic synthesis for pharmaceuticals, agrochemicals, and dye manufacturing.
• Flame Retardant Formulations: Used as a reactive component in flame-retardant additives for plastics and textiles.
• Adhesive & Coating Systems: Incorporated into high-performance adhesives, sealants, and protective coatings to enhance durability and chemical resistance.
• Laboratory & Research: Utilized in chemical research for studying polymerization kinetics and developing novel polymeric materials.
• Stabilizer Precursor: Acts as an intermediate in the production of antioxidants and stabilizers for polymers and lubricants.

Basic Information

Product Name	2,2-Bis(4-Hydroxyphenyl)Butane
CAS No.	77-40-7
Molecular Formula	C16H18O2
Molecular Weight	242.31 g/mol
Synonyms	Bisphenol B; 2,2-Bis(p-hydroxyphenyl)butane; 4,4'-(1-Methylpropylidene)bisphenol; 4,4'-Butylidenebisphenol; BPB; 2,2-Di(4-hydroxyphenyl)butane; p,p'-Butylidenebisphenol
EINECS	201-025-1

Quality Control

Our 2,2-Bis(4-Hydroxyphenyl)Butane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee compliance with your specifications and industry standards.

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). Due to its sensitivity to oxidation, prolonged exposure to air should be minimized. Keep away from strong oxidizing agents, strong acids, and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	118 - 122 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%

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