Registration Dossier
Registration Dossier
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EC number: 270-659-9 | CAS number: 68475-76-3 A complex combination of finely divided inorganic particles separated from the exit gases formed during the manufacture of Portland cement. The flue dust consists of uncalcined raw materials along with partially calcined materials. Some Portland cement clinker is usually included. The major constituents of kiln dust are calcium carbonate, clays, shales, quartz and sulfate salts. The following materials may also be present:@Dolomite@Ca(OH)2@Feldspars@CaSO4@Fly ash@KCl@Iron oxides@K2CO3@CaF2@K2SO4@CaO@Na2SO4@Glasses of SiO2, Al.s@Portland cement chemicals [659
Endpoint summary
Administrative data
Description of key information
Additional information
No appropriate testing scheme is applicable for inorganic UVC substances. This is due to the complex and varying composition of Flue dust. Some Flue dust constituents react with water and form highly insoluble inorganic hydration products, which will be added to the sediment. Other constituents are moderately or highly soluble and dissolve and dissociate in water. The cationic and anionic ions will interchange with other solved ions and inorganic soil constituents.
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