Description

4,4'-(2-Methylpropylidene)Diphenol is a high-purity bisphenol derivative, also known as Bisphenol P. This compound serves as a critical monomer and intermediate in the synthesis of advanced polymers and specialty resins. It is essential for manufacturers in the polymer, epoxy, and specialty chemical industries seeking to develop materials with tailored thermal and mechanical properties. Our supply ensures consistent quality and reliable availability for your production needs.

Application

• Polymer Synthesis: Key monomer for producing high-performance polycarbonates, polyesters, and polyarylates.
• Epoxy Resin Systems: Intermediate for formulating epoxy resins with enhanced chemical resistance and thermal stability for coatings and composites.
• Flame Retardant Additives: Building block in the synthesis of halogen-free or brominated flame retardants for plastics and textiles.
• Specialty Chemical Intermediate: Used in organic synthesis for pharmaceuticals, agrochemicals, and liquid crystal materials.
• Adhesive & Sealant Formulations: Component in high-strength structural adhesives and specialty sealants.
• UV Stabilizers & Antioxidants: Precursor in the manufacture of polymer additives that prevent degradation from light and oxidation.

Basic Information

Product Name	4,4'-(2-Methylpropylidene)Diphenol
CAS No.	1844-00-4
Molecular Formula	C17H20O2
Molecular Weight	256.34 g/mol
Synonyms	Bisphenol P; 4,4'-(2-Methylpropylidene)bisphenol; 2,2-Bis(4-hydroxyphenyl)butane; 4,4'-(1-Methylpropylidene)bisphenol; BPP; Bis(4-hydroxyphenyl)-2-methylpropane; 1,1-Bis(4-hydroxyphenyl)-2-methylpropane; 4,4'-(2-Methyltrimethylene)diphenol
EINECS	217-421-1

Quality Control

Our 4,4'-(2-Methylpropylidene)Diphenol is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

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 oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.5%
Melting Point	155 - 160 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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