The Tri(1-naphthyl)phosphine with the CAS number 3411-48-1 is also called Phosphine,tri-1-naphthalenyl-. Both the systematic name and IUPAC name are trinaphthalen-1-ylphosphane. Its molecular formula is C₃₀H₂₁P. This chemical is sightly yellow powder.

The properties of the Tri(1-naphthyl)phosphine are: (1)ACD/LogP: 9.38; (2)# of Rule of 5 Violations: 1; (3)#H bond acceptors: 0; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 3; (6)Polar Surface Area: 13.59 Å²; (7)Flash Point: 337.2 °C; (8)Enthalpy of Vaporization: 85.95 kJ/mol; (9)Boiling Point: 599.4 °C at 760 mmHg; (10)Vapour Pressure: 1.08×10^-13 mmHg at 25°C.

While using this chemical, you should be very cautious. This chemical is harmful by inhalation, in contact with skin and if swallowed. It is not only irritating to skin, but also irritating to eyes and respiratory system. Therefore, you should take the following instructions. Firstly, you should not breathe dust. Then you should wear suitable protective clothing, gloves and eye/face protection. Finally in case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: c5cccc6cccc(P(c2c1ccccc1ccc2)c4c3ccccc3ccc4)c56
(2)InChI: InChI=1/C30H21P/c1-4-16-25-22(10-1)13-7-19-28(25)31(29-20-8-14-23-11-2-5-17-26(23)29)30-21-9-15-24-12-3-6-18-27(24)30/h1-21H
(3)InChIKey: DMEUUKUNSVFYAA-UHFFFAOYAB