Description

Phosphoric Acid, (1-Methylethylidene)Di-4,1-Phenylene Tetrakis (4-Methylphenyl)Ester is a high-performance organophosphorus compound, specifically a phosphoric acid ester, valued for its role as a versatile intermediate and functional additive. Its molecular structure provides excellent thermal stability and compatibility with various polymer matrices, making it a critical component in advanced material synthesis. This product is essential for manufacturers in the polymer, flame retardant, and specialty chemical industries seeking to enhance material properties and process efficiency.

Application

• Polymer Additive: Acts as a plasticizer, stabilizer, or cross-linking agent in the production of engineering plastics and specialty resins.
• Flame Retardant Synergist: Used as a component in halogen-free flame retardant formulations for plastics, textiles, and coatings.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex organophosphorus compounds for agrochemicals and pharmaceuticals.
• Lubricant & Hydraulic Fluid Additive: Imparts anti-wear and extreme pressure properties to advanced synthetic lubricants and functional fluids.
• Adhesive & Sealant Formulation: Enhances adhesion and modifies rheological properties in high-performance adhesives and sealants.

Basic Information

Product Name	Phosphoric Acid, (1-Methylethylidene)Di-4,1-Phenylene Tetrakis (4-Methylphenyl)Ester
CAS No.	80046-00-0
Molecular Formula	C55H52O12P4
Molecular Weight	1033.88 g/mol
Synonyms	Bisphenol A Bis(diphenyl phosphate) (BDP); Phosphoric Acid, 1-Methylethylidenebis(4,1-phenylene) Tetrakis(4-methylphenyl) Ester; Tetrakis(4-methylphenyl) Bisphenol A Bis(diphosphate); Bisphenol A Bis(diphenyl phosphate) Oligomer; FR-BDP; BDP Flame Retardant; Bisphenol A Diphenyl Phosphate; Oligomeric Bisphenol A Bis(diphenyl phosphate)
EINECS	Contact for details

Quality Control

Our production of Phosphoric Acid, (1-Methylethylidene)Di-4,1-Phenylene Tetrakis (4-Methylphenyl)Ester adheres to stringent quality management systems to ensure batch-to-batch consistency and reliability. The product is manufactured and tested to meet relevant industry specifications for polymer additives and flame retardant intermediates. Certificates of Analysis (COA) documenting purity, assay, and key physical parameters are provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of heat. The container must be kept tightly sealed to minimize moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder or flakes
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Phosphorus Content	11.5 - 12.5 %
Melting Point	95 - 110 °C
Volatiles (Loss on Drying)	≤ 0.5 %
Acidity (as H3PO4)	≤ 0.1 %

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