Description

Diphenyl Isononyl Phosphinate is a specialized organophosphorus compound widely utilized as a high-performance additive and intermediate. Its primary value lies in its ability to function as an effective flame retardant synergist and plasticizer, enhancing material properties in demanding polymer applications. This product is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking to improve flame resistance and processability.

Application

• Primary use as a flame retardant synergist and plasticizer in engineering plastics and polymer formulations.
• Key additive in PVC (polyvinyl chloride) and other halogenated polymer systems to enhance flame retardancy.
• Intermediate in the synthesis of other specialty organophosphorus compounds for various industrial uses.
• Component in lubricant and hydraulic fluid additives to improve thermal stability and performance.
• Used in the formulation of fire-resistant coatings and sealants for construction and automotive applications.
• Potential application as a stabilizer and processing aid in high-temperature polymer manufacturing.

Basic Information

Product Name	Diphenyl Isononyl Phosphinate
CAS No.	28878-99-1
Molecular Formula	C21H29O2P
Molecular Weight	344.43 g/mol
Synonyms	Isononyl diphenyl phosphinate; Diphenyl isononylphosphinate; Phosphinic acid, P,P-diphenyl-, isononyl ester; Isonanol, diphenylphosphinate; P,P-Diphenyl-P'-isononyl phosphinate; Flame Retardant DIP; DIPINP
EINECS	Contact for details

Quality Control

Our Diphenyl Isononyl Phosphinate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) documenting purity, identity, and key parameters is provided with every shipment to guarantee consistency and reliability for your industrial processes.

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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture. Keep away from strong alkalis and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acidity (Titration)	≤ 0.1%
Specific Gravity (20°C)	1.040 - 1.080
Refractive Index (20°C)	1.510 - 1.530

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