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EC number: 269-052-1
CAS number: 68186-90-3
This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 77310.
The substance is inorganic. Due to its very
low water solubility and its inert character the substance is not
expected to be bioavailable to sediment organisms. This is supported by
the toxicological and ecotoxicological effect data.
However, transformation/dissolution tests, demonstrated that small
amounts of the individual inorganic building blocks of this substance
(i.e., the metal ions Cr and Sb) are released in aqueous media. The
concentrations of Cr and Sb after the release from the substance are far
below the Ecotoxicological Reference Values and thus an impact on
aquatic and sediment organisms is not to be expected. As a result, the
determination of PNEC levels for C.I. Pigment Brown 24 that are based on
ecotoxicological studies cannot be conducted.
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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