Description

Phosphoric Acid, P,P'-[(1,2-Diphenyl-1,2-Ethenediyl)Di-4,1-Phenylene] Ester is a specialized organophosphorus compound, a diaryl phosphate ester derivative designed for high-performance applications. This chemical matters for its role as a potential advanced additive, offering properties such as flame retardancy, plasticization, or stabilization in demanding polymer systems. Industrial users in the advanced polymer, specialty chemical, and material science sectors require this high-purity intermediate for research, development, and high-value manufacturing.

Application

• As a flame retardant additive or synergist in engineering plastics, resins, and polymer blends.
• Potential use as a specialty plasticizer for high-temperature polymer applications.
• Intermediate in the synthesis of more complex organophosphorus compounds for agrochemicals or pharmaceuticals.
• Component in functional material research, including liquid crystals or advanced coatings.
• Additive for improving the thermal and oxidative stability of specialty polymers.
• Use in lubricant and hydraulic fluid formulations as an anti-wear or extreme pressure agent.

Basic Information

Item	Detail
Product Name	Phosphoric Acid, P,P'-[(1,2-Diphenyl-1,2-Ethenediyl)Di-4,1-Phenylene] Ester
CAS No.	1451531-75-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Bis[4-[(1,2-diphenylethenyl)phenoxy]]phosphoric acid ester; Phosphoric acid, [1,1',2,2'-tetraphenyl-1,1'-ethenediyl]bis[4,1-phenylene] ester; P,P'-(Stilbene-α,α'-diyl)bis(diphenyl phosphate) derivative; Tetraphenylethylene-based phosphate ester; Diarylethene diphosphate; Organophosphorus stilbene derivative; Flame retardant intermediate CAS 1451531-75-1
EINECS	Contact for details

Quality Control

Our Phosphoric Acid, P,P'-[(1,2-Diphenyl-1,2-Ethenediyl)Di-4,1-Phenylene] Ester is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key specifications are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases. Recommended storage temperature is 2-25°C. The compound may be sensitive to moisture; keep container tightly sealed when not in use.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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