Phosphate, tert-butylphenyl diphenyl
Tert-ButylPhenyl Diphenyl Phosphate
CAS: 56803-37-3
Molecular Formula: C22H23O4P
Phosphate, tert-butylphenyl diphenyl - Names and Identifiers
Phosphate, tert-butylphenyl diphenyl - Physico-chemical Properties
| Molecular Formula | C22H23O4P |
| Molar Mass | 382.39 |
| Density | 1.180 g/cm3(Temp: 25 °C) |
| Boling Point | 245-260°C |
| Flash Point | 224°C |
| Water Solubility | <0.1 g/100 mL at 21 ºC |
| Solubility | <0.1 g/100 mL at 21°C |
| Vapor Presure | 2.1E-07mmHg at 25°C |
| Storage Condition | Room Temprature |
| Refractive Index | 1.567 |
Phosphate, tert-butylphenyl diphenyl - Risk and Safety
| UN IDs | 3082 |
| Hazard Class | 9 |
| Packing Group | III |
Phosphate, tert-butylphenyl diphenyl - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Introduction | tert-butylated triphenyl phosphate is a new generation of halogen-free organic phosphorus flame retardant, which has excellent thermal stability and excellent hydrolysis resistance. Its high thermal stability allows it to act as a flame retardant for Engineering Plastics and also improves the melting properties of plastics. Tert-butyl triphenyl phosphate is superior to TPP in performance. |
| Application | t-butyl triphenyl phosphate is a liquid, which has better durability and hydrolytic stability in the resin, and is not easy to produce surface stress cracks, widely used in flame retardant PVC, cellulose resin, synthetic rubber, phenolic resin, epoxy resin, polyester fiber, etc. |
| preparation | g(1. 5mol) Tert Butyl phenol and 138g(0. 899mol) phosphorus oxychloride was added to a dry, nitrogen-substituted four-necked flask equipped with a stirrer, a thermometer, a nitrogen introduction tube and an electric heating sleeve, and the temperature was raised to 70°C, slowly stir until P-tert-butylphenol is completely dissolved as dissolved material, and keep warm for use; Weigh 2. 5g of anhydrous aluminum trichloride and 252g of phosphorus oxychloride were added to a dry, nitrogen-substituted, four-necked flask equipped with a stirrer, a return tube, a thermometer, a nitrogen introduction tube, a heating device and a hydrogen chloride absorption device, rapidly raise the temperature to 80°C, then slowly drop the above dissolved materials, and complete the drop addition in 3 hours, then raise the temperature and keep the temperature at 88°C ~ 92°C for 1 hour, then, the reaction is continued for 1 hour by raising the temperature to 103°C ~ 107°C, and then the material is cooled to 50°C ~ 60°C under the condition of feeding a small amount of nitrogen, and used as the next reaction material for standby; 574g(6. 106mol) phenol was added dropwise to the above reaction mass, and then the temperature was maintained at 90°C for half an hour. Right, the temperature was further increased from 90°C to 110°C and the reaction was maintained for 2 hours, and then the reaction was continued at 1. The temperature was increased from 110°C to 160°C in 5 hours, maintained at 160°C under vacuum of 20mmHg for 2 hours, and then cooled to not more than 50°C; 550ml (5. 183mol) toluene and 550ml (4. 317mol) cyclohexane, washed with 10% ml of aqueous sodium hydroxide solution, 2 times with ml of 5% aqueous sodium hydroxide solution, and then 2 times with deionized water at 60°C, and then distilled off the solvent, the target product was 867G, yield 95. 19%, colorless transparent liquid, acid value 0.03mgKOH/g. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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