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
Density
Administrative data
Link to relevant study record(s)
Description of key information
The density has been measured according to OECD TG 109 by the pycnometer method, as difference in weight between the full and the empty pycnometer and its volume.
Key value for chemical safety assessment
- Relative density at 20C:
- 2 880
Additional information
The density can vary, as Flue Dust is a UVC substance with a broad range in composition of the constituents.
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