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


Wastewater, petroleum-refining

EC / List no.: 308-527-0

CAS no.: 98072-71-0

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
Wastewater, petroleum-refining
EC Inventory
Wastewater, petroleum-refining
A complex combination of hydrocarbons, inorganic salts and water obtained as a sludge from the surface water separation plant. It contains minor quantities of hydrocarbons boiling above approximately 35°C (95°F).
Pre-Registration process
Other identifiers
EC Inventory, Pre-Registration process
CAS number