Titanic acid

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Orthotitanic-acid-3D-vdW.png
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.039.752 Edit this at Wikidata
EC Number
  • 243-744-3
MeSH titanium+hydroxide
UNII
Properties
TiH
4O
4
Molar mass 115.90 g·mol−1
Appearance White crystals
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Titanic acid is a general name for a family of chemical compounds of the elements titanium, hydrogen, and oxygen, with the general formula [TiOx(OH)4−2x]n. Various simple titanic acids have been claimed, mainly in the older literature.[1] No crystallographic and little spectroscopic support exists for these materials. Some older literature including Brauer's Handbook refers to TiO2 as titanic acid.[2]

  • Metatitanic acid (H
    2    TiO
    3    ),[3]
  • Orthotitanic acid (H
    4    TiO
    4    ).[4] It is described as a white salt-like powder under "TiO2·2.16H2O."[5]
  • Peroxotitanic acid (Ti(OH)
    3    O
    2    H    ) has also been described as resulting from the treatment of titanium dioxide in sulfuric acid with hydrogen peroxide. The resulting yellow solid decomposes with loss of O2.[6]
  • Pertitanic acid (H2TiO4)[citation needed]
  • Pertitanic acid (TiO(H2O2)2+)[7]

References[]

  1. ^ Frederick Pearson Treadwell (1916). Qualitative analysis. J.Wiley & sons, Incorporated. p. 538. Retrieved 26 March 2021.
  2. ^ C. Remigius Fresenius (1887). Qualitative Chemical Analysis. J. & A. Churchill. pp. 115–116.
  3. ^ F.P. Dunnington (1891). "On metatitanic acid and the estimation of titanium by hydrogen peroxide". Journal of the American Chemical Society. 13 (7): 210–211. doi:10.1021/ja02124a032.
  4. ^ Leonard Dobbin, Hugh Marshall (1904). Salts and their reactions: A class-book of practical chemistry. University of Edinburgh.
  5. ^ Ehrlich, P. (1963). "Titanium(IV) Oxide Hydrate TiO2·nH2O". In Brauer, G. (ed.). Handbook of Preparative Inorganic Chemistry. 1 (2nd ed.). New York: Academic Press. p. 1218.
  6. ^ Ehrlich, P. (1963). "Peroxotitanic Acid H4TiO5". In Brauer, G. (ed.). Handbook of Preparative Inorganic Chemistry. 1 (2nd ed.). New York: Academic Press. p. 1219.
  7. ^ Fukamauchi, Hisao (1967). "Analysis using fluotitanic acid-hydrogen peroxide reagent: A review". Fresenius' Journal of Analytical Chemistry. 229 (6): 413–433. doi:10.1007/BF00505508. S2CID 92389986.

Further reading[]

  • C.K. Lee; et al. (2004). "Preparation and Characterization of Peroxo Titanic Acid Solution Using TiCl3". Journal of Sol-Gel Science and Technology. 31 (1–3): 67–72. doi:10.1023/B:JSST.0000047962.82603.d9. S2CID 98144172.
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