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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Diss Factsheets

Environmental fate & pathways

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Administrative data

Description of key information

Calcium chloride is an inorganic substance which is not expected to undergo photolysis or biodegradation.

Calcium chloride is an inorganic substance for which standard computer models can not be applied to estimate the distribution of this substance in the environment because the programs are designed for organic chemicals and not for inorganic salts.

Calcium chloride is soluble in water and its vapour pressure is negligible. This fact indicates that calcium chloride released into the environment is distributed into the water compartment in the form of calcium and chloride ions. Calcium chloride is not expected to be absorbed in soil due to its dissociation properties and high water solubility but may rather behave as free ions or may form stable inorganic or organic salts with other counter ions, leading to different fates between calcium and chloride ions in soil and water compartments in the environment. As for the behaviour of calcium in soil, the calcium ion may bind to soil particulate or may form stable inorganic salts with sulphate and carbonate ions. The chloride ion is mobile in soil and eventually drains into surface water because it is readily dissolved in water.

Additional information