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Environmental fate & pathways

Adsorption / desorption

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Description of key information

Sodium carbonate is an inorganic substance and therefore standard computer models can not be used to determine the transport or distribution
between environmental compartments. This end point has been waived.

Key value for chemical safety assessment

Additional information

Solid sodium carbonate has a negligible vapour pressure and for this reason it will not be distributed to the atmosphere. If sodium carbonate is emitted to water it will remain in the water phase. If the pH is decreased then carbonic acid (H2CO3 or CO2) can be formed. If the concentration of carbon dioxide water is above the water solubility limit, the carbon dioxide will distribute to the atmosphere. If sodium carbonate is emitted to soil it can escape to the atmosphere as CO2 (see above), precipitate as a metal carbonate, form complexes or stay in solution.