Titanium nitrate is the inorganic compound with formula Ti(NO₃)₄. It is a colorless, diamagnetic solid that sublimes readily. It is an unusual example of a volatile binary transition metal nitrate. Ill defined species called titanium nitrate are produced upon dissolution of titanium or its oxides in nitric acid.

Preparation

Similarly to its original method, Ti(NO₃)₄ is prepared by the nitration of

titanium tetrachloride Titanium tetrachloride is the inorganic compound with the formula . It is an important intermediate in the production of titanium metal and the pigment titanium dioxide. is a volatile liquid. Upon contact with humid air, it forms thick clouds ...

using

dinitrogen pentoxide Dinitrogen pentoxide is the chemical compound with the formula , also known as nitrogen pentoxide or nitric anhydride. It is one of the binary nitrogen oxides, a family of compounds that only contain nitrogen and oxygen. It exists as colourless c ...

or chlorine nitrate: :TiCl₄ + 4 N₂O₅ → Ti(NO₃)₄ + 4 ClNO₂ Hydrated titanium nitrate, the nitrate salt of the

aquo complex In chemistry, metal aquo complexes are coordination compounds containing metal ions with only water as a ligand. These complexes are the predominant species in aqueous solutions of many metal salts, such as metal nitrates, sulfates, and perchlorat ...

i(H₂O)₆sup>3+, is produced upon dissolution of titanium compounds in nitric acid.

Structure

The complex has D_2d symmetry, with four bidentate nitrate ligands. The N-O distances are 1·29 Å and 1·185 Å (noncoordinated).

Physical properties

In the infrared spectrum, it absorbs strongly at 1635 cm⁻¹, assigned to a N-O vibrational mode. It is soluble in nonpolar solvents

silicon tetrachloride Silicon tetrachloride or tetrachlorosilane is the inorganic compound with the formula SiCl4. It is a colourless volatile liquid that fumes in air. It is used to produce high purity silicon and silica for commercial applications. Preparation Silic ...

and carbon tetrachloride.

Reactions

Titanium nitrate is hygroscopic, converting to ill-defined hydrates. The anhydrous material is highly reactive, even toward hydrocarbons. Titanium nitrate also reacts with n-

dodecane Dodecane (also known as dihexyl, bihexyl, adakane 12, or duodecane) is an oily liquid ''n''-alkane hydrocarbon with the chemical formula C12H26 (which has 355 isomers). It is used as a solvent, distillation chaser, and scintillator component. It ...

, p-dichlorobenzene,

anisole Anisole, or methoxybenzene, is an organic compound with the formula CH3OC6H5. It is a colorless liquid with a smell reminiscent of anise seed, and in fact many of its derivatives are found in natural and artificial fragrances. The compound i ...

biphenyl Biphenyl (also known as diphenyl, phenylbenzene, 1,1′-biphenyl, lemonene or BP) is an organic compound that forms colorless crystals. Particularly in older literature, compounds containing the functional group consisting of biphenyl less one ...

, It decomposes thermally to titanium dioxide.

Preparation

Structure

Physical properties

Reactions

References

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