Description

Dioctyl Phenylphosphonate CAS NO 1754-47-8 is a high-purity organophosphorus compound widely utilized as a specialty plasticizer and flame retardant synergist. Its primary value lies in its ability to impart enhanced flame resistance and improved low-temperature flexibility to various polymer matrices. This product is essential for manufacturers in the plastics, rubber, and specialty coatings industries seeking to meet stringent fire safety and performance specifications.

Application

• Primary plasticizer and flame retardant synergist for PVC (polyvinyl chloride) and other halogenated polymers.
• Functional additive in engineering plastics and synthetic rubbers to improve flame retardancy.
• Component in specialty lubricants and hydraulic fluids requiring high thermal stability.
• Intermediate for the synthesis of other organophosphorus compounds used in various industrial applications.
• Additive in adhesive and sealant formulations to enhance flexibility and fire resistance.
• Used in research and development for new material formulations requiring specific phosphonate properties.

Basic Information

Product Name	Dioctyl Phenylphosphonate
CAS No.	1754-47-8
Molecular Formula	C22H39O3P
Molecular Weight	382.51 g/mol
Synonyms	Phenylphosphonic Acid Dioctyl Ester; Dioctyl Phenyl Phosphonate; Phosphonic Acid, Phenyl-, Dioctyl Ester; Phenyl Dioctyl Phosphonate; DOPhP; Octyl Phenylphosphonate (mixed isomers); Dioctyl Phenylphosphinate (common alias); 1-Octanol, Phenylphosphonate
EINECS	217-150-0

Quality Control

Our Dioctyl Phenylphosphonate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets precise customer and industry specifications. A detailed Certificate of Analysis (COA) documenting purity, physical properties, and test results is provided with each shipment.

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 acids, and strong bases.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or HPLC)	≥ 98.0%
Refractive Index (n20D)	1.480 - 1.490
Density (20°C)	0.970 - 0.990 g/mL
Moisture (KF)	≤ 0.1%
Acidity (as Phenylphosphonic Acid)	≤ 0.1%

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