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EC number: 235-727-4
CAS number: 12626-81-2
According to the guidance given in Annex VII if REACH legislation and
Chapter R.7B (Endpoint Specific Guidance) of the ECHA REACH Guidance
Document, (2008), the requirements for “Ready biodegradability” can be
waived if the substance is inorganic (e.g., Pb-salt).
For inorganic substances like lead salts for which the chemical
assessment is based on the elemental concentration (i.e., pooling all
inorganic speciation forms together), biotic degradation is an
irrelevant process, regardless of the environmental compartment that is
under consideration: biotic processes may alter the speciation form of
an element, but will not eliminate the element from the aquatic
compartment by degradation of transformation. This elemental-based
assessment (pooling all speciation forms together) can be considered as
a worst-case assumption for the chemical assessment.
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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