Triphenyl phosphate

The IUPAC name of Triphenyl phosphate is triphenyl phosphate. With the CAS registry number 115-86-6, it is also named as Phosphoric acid, triphenyl ester. The product's categories are Flame retardants; Functional Materials; Phosphates (Plasticizer); Plasticizer; Aromatics EPA; Method 507 Volatiles/ Semivolatiles; 500 Series Drinking Water Methods; Alpha Sort; Analytical Standards; Chemical Class; TP - TZ; T-Z Alphabetic; Organic Building Blocks; Organic Phosphates/Phosphites; Phosphorus Compounds; AromaticsVolatiles/ Semivolatiles, and the other registry number is 402955-02-6. Besides, it is colourless crystals, which should be stored in closed containers in a cool, ventilated warehouse. In addition, its molecular formula is C₁₈H₁₅O₄P and molecular weight is 326.29.

The other characteristics of this product can be summarized as: (1)EINECS: 204-112-2; (2)ACD/LogP: 4.10; (3)# of Rule of 5 Violations: 0; (4)ACD/LogD (pH 5.5): 4.1; (5)ACD/LogD (pH 7.4): 4.1; (6)ACD/BCF (pH 5.5): 765.08; (7)ACD/BCF (pH 7.4): 765.08; (8)ACD/KOC (pH 5.5): 4034.21; (9)ACD/KOC (pH 7.4): 4034.21; (10)#H bond acceptors: 4; (11)#H bond donors: 0; (12)#Freely Rotating Bonds: 6; (13)Index of Refraction: 1.595; (14)Molar Refractivity: 87.67 cm³; (15)Molar Volume: 257.8 cm³; (16)Surface Tension: 48.4 dyne/cm; (17)Density: 1.265 g/cm³; (18)Flash Point: 201.2 °C; (19)Melting point: 47-53 °C; (20)Enthalpy of Vaporization: 63.92 kJ/mol; (21)Boiling Point: 412.4 °C at 760 mmHg; (22)Vapour Pressure: 1.24E-06 mmHg at 25 °C.

Preparation of Triphenyl phosphate: this chemical can be prepared by the reaction of Phosphorus oxychloride and Phenol in the presence of a base:
POCl₃ + 3 HOC₆H₅ → OP(OC₆H₅)₃ + 3 HCl

Uses of Triphenyl phosphate: this chemical is used as a plasticizer and a fire retardant. It can also used as stationary liquid in gas chromatogram. Additionally, it can react with Chloro-trimethyl-silane to get Trimethyl-phenyl-silane.



This reaction needs Li powder, DTBB and Tetrahydrofuran at temperature of -30 °C for 15 min. The yield is 87 %.

When you are using this chemical, please be cautious about it as the following: it is danger of serious damage to health by prolonged exposure if swallowed and by inhalation. Please keep away from sources of ignition, and do not breathe dust. It is also irritating to eyes, respiratory system and skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. And you should wear suitable protective clothing and gloves to avoid contact with skin and eyes. Moreover, limited evidence of a carcinogenic effect. It is very toxic and harmful to aquatic organisms that may cause long-term adverse effects in the aquatic environment. Additionally, this material and its container must be disposed of as hazardous waste. Please avoid release to the environment, and refer to special instructions / safety data sheets.

People can use the following data to convert to the molecule structure.
(1)SMILES: O=P(Oc1ccccc1)(Oc2ccccc2)Oc3ccccc3
(2)InChI: InChI=1/C18H15O4P/c19-23(20-16-10-4-1-5-11-16,21-17-12-6-2-7-13-17)22-18-14-8-3-9-15-18/h1-15H
(3)InChIKey: XZZNDPSIHUTMOC-UHFFFAOYAB

The toxicity data is as follows: