This chemical is called Tetrabutylphosphonium hydroxide, and its CAS registry number is 14518-69-5. With the molecular formula of C₁₆H₃₇OP, its product category is Phosphonium Compounds. In addition, this chemical should be sealed in the cool and dry place, away from oxides and acid.

Other characteristics of the Tetrabutylphosphonium hydroxide can be summarised as followings: (1)H-Bond Donor: 1; (2)H-Bond Acceptor: 1; (3)Rotatable Bond Count: 12; (4)Exact Mass: 276.258202; (5)MonoIsotopic Mass: 276.258202; (6)Topological Polar Surface Area: 1; (7)Heavy Atom Count: 18; (8)Formal Charge: 0; (9)Complexity: 116; (10)Isotope Atom Count: 0; (11)Covalently-Bonded Unit Count: 2.

Uses of this chemical: The Tetrabutylphosphonium hydroxide could react with phenylboronic acid, and obtain the C₁₆H₃₆P(1+)*C₆H₅BF₃(1-). This reaction needs the reagent of HF, and the solvent of H₂O, methanol. The yield is 90 %.

When you are using this chemical, please be cautious about it as the following: This chemical causes burns. You should wear suitable protective clothing if you use it. In case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure: 
1.SMILES: [OH-].CCCC[P+](CCCC)(CCCC)CCCC
2.InChI: InChI=1/C16H36P.H2O/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;/h5-16H2,1-4H3;1H2/q+1;/p-1
3.InChIKey: DFQPZDGUFQJANM-REWHXWOFAB