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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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Environmental fate & pathways


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Link to relevant study record(s)

Description of key information

The substance is completely water soluble stable inorganic UVCB. Green liquor is a UVCB mixture of water soluble inorganic constituents, hydroxides, carbonates, sulfides, sulphites, sulphates and their soluble alkaline metal salts. Standard hydrolysis test is not suitable for measure volatile gaseous compounds. At acidic pH (pH 4)  green liquor is known to evolve gaseous hydrogen sulfide and carbon dioxide (from carbonates).

The behavior of all known constituents can be evaluated by other means than testing, since the basic physical chemical information is already available.

Sulfides oxidise rapidly is surface waters if free molecular oxygen is available. Oxidation products are primarily sulphites and sulphates.

Key value for chemical safety assessment

Additional information