Substance Information

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REACH Registration data can be found in the new ECHA CHEM database. The old ‘Registered substance factsheets’ will be available on this web site during the transition period but have not been updated since 19 May 2023. More


Substance Infocard


Hydrolysis solutions, titanium oxide manuf. sulfate process

EC / List no.: 292-634-1

CAS no.: 90641-10-4

Mol. Formula:

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Key datasets


Regulatory context

Here you can find all of the regulations and regulatory lists in which this substance appears, according to the data available to ECHA. This substance has been found in the following regulatory activities (directly, or inheriting the regulatory context of a parent substance):

REACH - Registration, Evaluation, Authorisation and Restriction of Chemicals Regulation
  • Substances indicated, in 2009, as being intended to be registered by at least one company in the EEA.
Previous Legislations
  • Substances listed in the EINECS, ELINCS, or NLP inventories.
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Substance names and other identifiers

Regulatory process names
Hydrolysis solutions, titanium oxide manuf. sulfate process
EC Inventory
Hydrolysis solutions, titanium oxide manuf. sulfate process
The mother liquors obtained during the hydrolysis of a sulfuric acid solution of titanyl sulfate in the manufacture of TiO2 by the sulfate process. They are separated by filtration or decantation.
Pre-Registration process
Other identifiers
EC Inventory, Pre-Registration process
CAS number