| Structure |  |
|---|---|
| Formula |
C18H15O4P
|
| CAS No. | 115-86-6 |
| EC No. | 204-112-2 |
| Synonyms | Phenyl phosphate; TPP; Phosphoric acid triphenyl ester; triphenyl phosphoric acid ester; celluflex tpp |
Triphenyl phosphate (TPP)
Triphenyl phosphate (TPP) is an organophosphorus compound with the chemical formula (C₆H₅O)₃PO. It is a colorless, crystalline solid that is odorless or has a mild, aromatic scent. TPP is highly soluble in organic solvents like ethanol, ether, and chloroform, but it is practically insoluble in water. It is commonly used as a plasticizer, flame retardant, and solvent due to its ability to interact effectively with various organic materials. Its structure, with three phenyl groups (C₆H₅) attached to a phosphate group, gives it both aromatic stability and desirable physical properties for a wide range of industrial applications.
Applications:
- Plasticizer: Triphenyl phosphate is widely used as a plasticizer in the production of polyvinyl chloride (PVC) and other plastics. It increases the flexibility, durability, and workability of plastic materials, making it ideal for use in products such as films, coatings, and molded plastic parts.
- Flame Retardant: TPP is employed as a flame retardant in various materials, particularly in the electronics, textiles, and plastics industries. The phosphorus content of triphenyl phosphate helps improve the fire resistance of products by promoting char formation and reducing the likelihood of ignition.
- Solvent and Extraction Agent: Triphenyl phosphate is used as a solvent in chemical processes, particularly in the extraction of metal ions and the separation of organic compounds. It has been utilized in the extraction of rare earth metals and in hydrometallurgy for selective metal separation.
- Lubricants and Hydraulic Fluids: Due to its high chemical stability and resistance to thermal degradation, TPP is incorporated into lubricants and hydraulic fluids. It provides superior performance in mechanical systems that operate under high pressure and temperature conditions, enhancing the longevity and effectiveness of machinery.
- Intermediate in Chemical Synthesis: Triphenyl phosphate serves as an important intermediate in the production of various organophosphorus compounds. It can be converted into a range of specialty chemicals, including flame retardants, stabilizers, and other phosphorus-based reagents for industrial and agricultural applications.
- Electrical and Electronic Components: Triphenyl phosphate is used in the manufacturing of electrical and electronic components, such as wires and cables. It helps improve the insulation properties of these components and enhances their resistance to heat and flame.
- Agricultural Chemicals: TPP is sometimes used in the formulation of pesticides and herbicides, where it acts as an emulsifier or dispersant, improving the stability and effectiveness of these agricultural chemicals.
- Consumer Products: TPP can also be found in some consumer products, including paints, varnishes, and adhesives, where it acts as a stabilizer and enhances the material properties, including durability and resistance to weathering.
Shelf Life:
Under proper storage conditions, the shelf life is 12 months.
Health & Safety:
Detailed information on the product described can be found in our relevant Health and Safety Information (Material Safety Data Sheet).