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Target compound titanium oxychloride is an unstable inorganic chemical compound which occurs during the process of the hydrolysis of parent compound titanium tetrachloride.

1. step: TiCl4 + H2OTiOCl2 + 2 HCl

2. step: TiOCl2 + H2OTiO2 + 2 HCl

Summary reaction: TiCl4 + 2 H2OTiO2 + 4 HCl

In water this reaction proceeds immediately. Biotransformation is thus neither possible nor a relevant process for assessment.