Description

Phosphoric Acid 2-Chlorophenyldiphenyl Ester is a specialized organophosphorus compound widely utilized as a flame retardant and plasticizer. This chemical matters for its ability to impart fire resistance and improve material flexibility in polymer formulations without compromising performance. It is primarily needed by manufacturers in the plastics, electronics, and construction industries seeking to enhance the safety and durability of their products.

Application

• Primary flame retardant additive in engineering plastics such as polycarbonate (PC), acrylonitrile butadiene styrene (ABS), and polyurethane (PU) foams.
• Plasticizer for vinyl resins and other polymers to improve flexibility and processability.
• Component in fire-resistant coatings and paints for wires, cables, and building materials.
• Used in the formulation of electronic encapsulants and circuit board laminates to meet stringent safety standards.
• Additive for synthetic rubbers and adhesives to enhance flame retardancy.
• Intermediate in the synthesis of other specialty organophosphorus compounds.

Basic Information

Product Name	Phosphoric Acid 2-Chlorophenyldiphenyl Ester
CAS No.	115-85-5
Molecular Formula	C18H14ClO4P
Molecular Weight	360.73 g/mol
Synonyms	2-Chlorophenyl Diphenyl Phosphate; CDP; Phosphoric Acid, (2-Chlorophenyl) Diphenyl Ester; Diphenyl 2-Chlorophenyl Phosphate; NSC 2665; Fyrol® CEF; Santicizer® 141; 2-Chloro-1-phenoxy-1,3,2-benzodioxaphosphole 2-oxide
EINECS	204-110-7

Quality Control

Our Phosphoric Acid 2-Chlorophenyldiphenyl Ester is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent purity and performance as a flame retardant. We provide full traceability and Certificates of Analysis (COA) are available upon request to support your quality assurance and regulatory compliance needs.

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 heat sources and incompatible materials such as strong bases and strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Color (APHA)	≤ 50
Acidity (as H3PO4)	≤ 0.1 %
Water Content (KF)	≤ 0.1 %
Density (20°C)	1.30 - 1.33 g/cm³
Refractive Index (20°C)	1.550 - 1.560

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