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EC number: 277-135-9
CAS number: 72968-34-4
- Appearance: homogeneous, odourless,
intense yellow powder
- Decomposition: 949 °C (onset 911 °C)
- Relative density: 4.420
- PSD: d50 = 11.9 µm, d90 = 29.4 µm, d10 =
total: 126.32 mg/g
MMAD = 20.44 µm, GSD = 2.65
Fractional deposition in human respiratory
tract: Head (ET): 55.61 %, Tracheobronchial (TB): 0.64 %, Pulmonary
(PU): 0.79 %
- Transformation/ dissolution of zircon,
cadmium yellow with a loading of 1 mg at 21.5 ± 1.5 °C after 672 hours
at pH 8:
Zr [µg/L] background (means) corrected:
0.8195 ± 0.4349
Cd [µg/L] background (means)
corrected: 0.1973 ± 0.0993
Studies conducted in accordance with EU
guidelines are available for: appearance, decomposition temperature,
relative density, particle size
distribution, dustiness and transformation / dissolution.
Waivers are proposed for boiling point,
vapour pressure, partition coefficient, surface tension, flash point,
auto flammability, flammability for solids, pyrophoric properties,
flammability in contact with water, explosiveness, oxidising properties,
stability in organic solvents, dissociation constant and viscosity.
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.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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