Registration Dossier
Registration Dossier
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EC number: 936-897-9 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Reaction mass of willemite, white and zinc iron chromite brown spinel (CAS 1373399-58-6) is an inorganic, light brown, odourless powder.
- Melting point > 1000 °C
- relative density: 4.58
- Particle size distribution: d10 = 0.8 µm, d50 = 2.2 µm, d90 = 4.6 µm
- Dustiness:
total: 16.67 mg/g
MMAD = 12.67 µm, GSD1 = 5.16
Fractional deposition in human respiratory tract: Head (ET): 47.7 %, Tracheobronchial (TB): 1.5 %, Pulmonary (PU): 4.7 %
- The transformation/dissolution
Full test 7 days at 1 mg/L and pH 6: 0.56 µg Cr/L, < 1 µg Al/L (LOD), 127 µg Zn/L and 0.76 µg Fe/L
Full test 28 days at 1 mg/L and pH 6: 0.74 µg Cr/L, < 1 µg Al/L (LOD), 119 µg Zn/L and 1.83 µg Fe/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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