Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Endpoint summary
Administrative data
Description of key information
Zirconium zircon with encapsulated hematite (CAS 68412-79-3) is an inorganic, brick red, odourless powder.
- Melting point > 1000 °C
- relative density: 4.74.
- Particle size distribution: d10 = 1.3 µm, d50 = 2.5 µm, d90 = 4.7 µm
- Dustiness:
total: 13.3 mg/g
MMAD1= 4.99 µm, GSD1= 1.37
MMAD2 = 10.25 µm, GSD2= 5.80
Fractional deposition in human respiratory tract: Head (ET): 66.7 %, Tracheobronchial (TB): 2.0 %, Pulmonary (PU): 5.9 %
- The transformation/dissolution
Full test 7 days at 100 mg/L and pH 6: < LOD (0.5) µg Fe and Zr/L
Full test 7 days at 100 mg/L and pH 8: 2.4 µg Fe/L and 2.17 µg Zr/L
Full test 28 days at 1 mg/L and pH 8: < LOD (0.5) µg Fe and Zr/L
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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