The Phosphine,dicyclohexyl-, with the CAS registry number 829-84-5 and EINECS registry number 212-590-9, has the systematic name of dicyclohexylphosphane. It belongs to the following product categories: Secondary Phosphines; Catalysis and Inorganic Chemistry; Phosphorus Compounds; Phosphorus Precursors. And the molecular formula of the chemical is C₁₂H₂₃P.

The characteristics of Phosphine,dicyclohexyl- are as followings: (1)#H bond acceptors: 0; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 2; (4)Polar Surface Area: 13.59 Å²; (5)Flash Point: 129.1 °C; (6)Enthalpy of Vaporization: 50.8 kJ/mol; (7)Boiling Point: 289.8 °C at 760 mmHg; (8)Vapour Pressure: 0.00373 mmHg at 25°C.

Uses of Phosphine,dicyclohexyl-: It can react with formaldehyde to produce Bis-hydroxymethyl-dicyclohexyl-phosphoniumchlorid. This reaction will need reagent 36% aq. HCl. And the yield is about 92%. 

You should be cautious while dealing with this chemical. It is spontaneously flammable in air, and it is also toxic by inhalation, in contact with skin and if swallowed. Therefore, you had better take the following instructions: Keep away from combustible material; Wear suitable protective clothing, gloves and eye/face protection, and if in case of accident or if you feel unwell, seek medical advice immediately (show label where possible).

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: P(C1CCCCC1)C2CCCCC2
(2)InChI: InChI=1/C12H23P/c1-3-7-11(8-4-1)13-12-9-5-2-6-10-12/h11-13H,1-10H2
(3)InChIKey: HDULBKVLSJEMGN-UHFFFAOYAD