Registration Dossier
Registration Dossier
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EC number: 269-063-1 | CAS number: 68187-01-9 This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 77991.
Endpoint summary
Administrative data
Description of key information
Vanadium zirconium yellow baddeleyite (CAS 68187-01-9) is an inorganic, bright yellow, odourless powder.
- Melting point > 1000 °C
- relative density: 5.78
- Particle size distribution: d10 = 2.4 µm, d50 = 7.0 µm, d90 = 14.7 µm
- Dustiness:
total: 81.58 mg/g
MMAD = 17.11 µm, GSD = 3.56
Fractional deposition in human respiratory tract: Head (ET): 52.5 %, Tracheobronchial (TB): 1.0 %, Pulmonary (PU): 1.6 %
- The transformation/dissolution
Full test 7 days at 100 mg/L and pH 6: 77.7 µg V/L and < 0.5 µg Zr/L
Full test 7 days at 100 mg/L and pH 8: 90.0 µg V/L and < 1 µg Zr/L
Full test 7 days at 1 mg/L and pH 8: 3.1 µg V/L and < 0.5 µg Zr/L
Full test 28 days at 1 mg/L and pH 8: 2.8 µg V/L and < 0.5 µg Zr/L
Additional information
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