Tetraphenylmethane

The Tetraphenyl methane with CAS registry number of 630-76-2 is also known as Methane, tetraphenyl-. The IUPAC name is Tritylbenzene. It belongs to product categories of Miscellaneous. Its EINECS registry number is 211-144-0. In addition, the formula is C₂₅H₂₀ and the molecular weight is 320.43. This chemical is a white to pink powder or needle that insoluble in water.

Physical properties about Tetraphenyl methane are: (1)ACD/LogP: 7.31; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 7.31; (4)ACD/LogD (pH 7.4): 7.31; (5)ACD/BCF (pH 5.5): 211633.73; (6)ACD/BCF (pH 7.4): 211633.73; (7)ACD/KOC (pH 5.5): 225750.7; (8)ACD/KOC (pH 7.4): 225750.7; (9)#Freely Rotating Bonds: 4; (10)Index of Refraction: 1.62; (11)Molar Refractivity: 103.93 cm³; (12)Molar Volume: 295.8 cm³; (13)Surface Tension: 43.2 dyne/cm; (14)Density: 1.082 g/cm³; (15)Flash Point: 212.5 °C; (16)Enthalpy of Vaporization: 66.1 kJ/mol; (17)Boiling Point: 431.8 °C at 760 mmHg; (18)Vapour Pressure: 2.93E-07 mmHg at 25 °C.

Preparation of Tetraphenyl methane: it is prepared by reaction of chloro-triphenyl-methane with phenyllithium. The reaction needs catalyst Ph₂TlBr and solvent diethyl ether with ambient temperature. The yield is about 74%.

Uses of Tetraphenyl methane: it is used to produce 1-{4-[tris-(4-acetyl-phenyl)-methyl]-phenyl}-ethanone by Friedel-Crafts acylation reaction with acetyl chloride. The reaction occurs with reagent aluminium chloride and solvent CS₂ with other condition of heating for 18 hours. The yield is about 99%.

When you are using this chemical, please be cautious about it. There is limited evidence of a carcinogenic effect. In case of accident or if you feel unwell seek medical advice immediately.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: C1=CC=C(C=C1)C(C2=CC=CC=C2)(C3=CC=CC=C3)C4=CC=CC=C4
2. InChI: InChI=1S/C25H20/c1-5-13-21(14-6-1)25(22-15-7-2-8-16-22,
23-17-9-3-10-18-23)24-19-11-4-12-20-24/h1-20H
3. InChIKey: PEQHIRFAKIASBK-UHFFFAOYSA-N