Hafnium nitrate
Hafnium(IV) nitrate is an inorganic compound, a salt of hafnium and nitric acid with the chemical formula Hf(NO3)4.[2][3][4]
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| Other names
Hafnium tetranitrate | |
| Identifiers | |
3D model (JSmol) |
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| Properties | |
| Hf(NO3)4 | |
| Molar mass | 426.53 g/mol |
| Appearance | White crystals |
| moderately soluble[1] | |
| Hazards | |
| GHS labelling: | |
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| Danger | |
| H272, H315, H319, H335 | |
| P210, P220, P221, P305, P338, P405, P501 | |
| Related compounds | |
Related compounds |
Thorium nitrate, Zirconium nitrate, titanium nitrate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Synthesis
Hafnium nitrate can be prepared by the reaction of hafnium tetrachloride and dinitrogen pentoxide.[5]
Properties
Hafnium nitrate is slightly volatile, and can be sublimed at 110 °C and 0.1 mmHg.[6] Hafnium nitrate decomposes on heating (≥ 160°C) to HfO(NO3)2 and then to HfO2.[6]
Applications
Hafnium nitrate can be used for the preparation of materials containing hafnium dioxide.[6]
References
- "Hafnium Nitrate (CAS: 15509-05-4) | Stanford Advanced Materials". samaterials.com. Retrieved 29 October 2021.
- "Hafnium(IV) nitrate". Sigma Aldrich. Retrieved 29 October 2021.
- "Hafnium Nitrate". American Elements. Retrieved 29 October 2021.
- The Metallurgy of Hafnium. Naval Reactors, Division of Reactor Development, U.S. Atomic Energy Commission. 1960. p. 31. Retrieved 29 October 2021.
- Zhuang, Weiwei; Conley, John F.; Ono, Yoshi; Evans, David R.; Solanki, R. (January 2002). "Hafnium Nitrate Precursor Synthesis and HfO2 Thin Film Deposition". Integrated Ferroelectrics. 48 (1): 3–12. doi:10.1080/10584580215449. S2CID 50290009.
- Conley, J. F.; Ono, Y.; Zhuang, W.; Tweet, D. J.; Gao, W.; Mohammed, S. K.; Solanki, R. (2002). "Atomic Layer Deposition of Hafnium Oxide Using Anhydrous Hafnium Nitrate". Electrochemical and Solid-State Letters. 5 (5): C57. doi:10.1149/1.1462875. ISSN 1099-0062. Retrieved 29 October 2021.
| HNO3 | He | |||||||||||||||||
| LiNO3 | Be(NO3)2 | B(NO3)−4 | RONO2 | NO−3 NH4NO3 |
HOONO2 | FNO3 | Ne | |||||||||||
| NaNO3 | Mg(NO3)2 | Al(NO3)3 Al(NO3)−4 |
Si | P | S | ClONO2 | Ar | |||||||||||
| KNO3 | Ca(NO3)2 | Sc(NO3)3 | Ti(NO3)4 | VO(NO3)3 | Cr(NO3)3 | Mn(NO3)2 | Fe(NO3)2 Fe(NO3)3 |
Co(NO3)2 Co(NO3)3 |
Ni(NO3)2 | CuNO3 Cu(NO3)2 |
Zn(NO3)2 | Ga(NO3)3 | Ge | As | Se | BrNO3 | Kr | |
| RbNO3 | Sr(NO3)2 | Y(NO3)3 | Zr(NO3)4 | NbO(NO3)3 | MoO2(NO3)2 | Tc | Ru(NO3)3 | Rh(NO3)3 | Pd(NO3)2 Pd(NO3)4 |
AgNO3 Ag(NO3)2 |
Cd(NO3)2 | In(NO3)3 | Sn(NO3)4 | Sb(NO3)3 | Te | INO3 | Xe(NO3)2 | |
| CsNO3 | Ba(NO3)2 | Lu(NO3)3 | Hf(NO3)4 | TaO(NO3)3 | W | Re | Os | Ir | Pt(NO3)2 Pt(NO3)4 |
Au(NO3)3 | Hg2(NO3)2 Hg(NO3)2 |
TlNO3 Tl(NO3)3 |
Pb(NO3)2 | Bi(NO3)3 BiO(NO3) |
Po(NO3)4 | At | Rn | |
| FrNO3 | Ra(NO3)2 | Lr | Rf | Db | Sg | Bh | Hs | Mt | Ds | Rg | Cn | Nh | Fl | Mc | Lv | Ts | Og | |
| ↓ | ||||||||||||||||||
| La(NO3)3 | Ce(NO3)3 Ce(NO3)4 |
Pr(NO3)3 | Nd(NO3)3 | Pm(NO3)3 | Sm(NO3)3 | Eu(NO3)3 | Gd(NO3)3 | Tb(NO3)3 | Dy(NO3)3 | Ho(NO3)3 | Er(NO3)3 | Tm(NO3)3 | Yb(NO3)3 | |||||
| Ac(NO3)3 | Th(NO3)4 | PaO2(NO3)3 | UO2(NO3)2 | Np(NO3)4 | Pu(NO3)4 | Am(NO3)3 | Cm(NO3)3 | Bk(NO3)3 | Cf | Es | Fm | Md | No | |||||
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