Difference between revisions of "Triphenyl phosphate"
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* Molecular weight = 326.288 g·mol−1 | * Molecular weight = 326.288 g·mol−1 | ||
* Appearance = Colorless solid | * Appearance = Colorless solid | ||
| − | * Density = 1. | + | * Density = 1.2-1.3 g/mL |
| − | * Melting point = | + | * Melting point = 47 to 53 °C (116 to 127 °F) |
* Boiling point = 244 °C (471 °F) | * Boiling point = 244 °C (471 °F) | ||
Revision as of 07:40, 18 March 2024
Description
An aromatic phosphate that was commonly used as a Flame retardant and Plasticizer. Triphenyl phosphate (TPhP) was placed on the EPA Toxic Substance list in 2014 as a compound that exhibits acute and chronic aquatic toxicity. As a flame retardant, TPhP decomposes with heat to form Phosphoric acid, then further reacts to form pyrophosphoric acid which acts as a heat transfer blocker. In industry, TPhP is considered to be one of the most effective flame retardant for certain polymers, such as polyvinylchloride.
Synonyms and Related Terms
TPhP; TPP
Applications
- Plasticizer often used in glues, varnishes, nail polishes, and casting resins
- Flame retardant in electronic equipment, hydraulic fluids and plastics
Risks
- Low toxicity by dermal and oral contact but some studies have lined TPhP to reproductive and developmental toxicity, neurotoxicity, metabolic disruption, and endocrine effects.
- Widely detected in sediment, soil, indoor dust, and air due to its extensive use.
- Biodegrades in water.
- ThermoFisher: SDS
Physical and Chemical Properties
- Chemical formula = C18H15O4P
- Molecular weight = 326.288 g·mol−1
- Appearance = Colorless solid
- Density = 1.2-1.3 g/mL
- Melting point = 47 to 53 °C (116 to 127 °F)
- Boiling point = 244 °C (471 °F)
Resources and Citations
- Wikipedia: Triphenyl phosphate Accessed Mar 2024
- Centers for Disease Control and Prevention: [https://www.cdc.gov/niosh/idlh/115866.html Triphenyl phosphate}