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 refers to TiO2 as titanic acid,[2] and the dioxide forms an unstable hydrate when TiCl4 hydrolyzes.

[3] This inorganic compound–related article is a stub.

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