Registration Dossier
Registration Dossier
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EC number: 931-895-4 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Key value for chemical safety assessment
Skin sensitisation
Endpoint conclusion
- Additional information:
The main components of the substance “Reaction product of soluble nickel salt, cobalt salt, manganese salt with alkalines” are cobalt dihydroxide, nickel dihydroxide and manganese dihydroxide.
Cobalt and nickel are considered as the main drivers for human health effects. This transported isolated intermediate is an inorganic solid UVCB-substance. The major and the most hazardous constituents of this intermediate are cobalt dihydroxide and nickel dihydroxide, which vary within different products 1-35% and 30 -90%, respectively. Because of fine particles (IUCLID-section 4.5: particle size, 100% of inhalable fraction), dust emissions might cause exposure through inhalation for workers, and therefore controlled by existing RMMs taken place in production processes and intermediate use under strictly controlled conditions (see section 11 of IUCLID). Due to intermediate use under strictly controlled conditions further hazard assessment is deemed unnecessary.
Studies presented for cobalt hydroxide and nickel oxide/sulphate exhibit sensitisation properties:
Cobalt dihydroxide: sensitising (Yanagi, 2001)
Nickel oxide/sulphate: not sensitising (FDRL, 1986)
Nickel oxide sinter (98% Nickel oxide; 1.5% Cobaltous oxide): not sensitising. (EPSL, 2009)
Hypothesis and justification for read-across: Cobalt dihydroxide and nickel dihydroxide are the main components of the target UVCB-substance, and considered the major drivers for adverse effects based on their properties and relative quantity in the substance. For read-across purpose, available data from cobalt and nickel are considered relevant for the target UVCB-substance in the REACH registration. According to section 1.5, annex XI of regulation (EC) 1907/2006, such studies do not need to be conducted, since adequate data from structurally analogous substances are available. Therefore read-across from these compounds is justified.
Self-classification of this intermediate was determined based on the CLP rules for mixtures. Classification was done taking into account the composition and C&L entries of the classified constituents of this intermediate (see remarks in sections 2.1 and 2.2).
Migrated from Short description of key information:
The main components of the substance “Reaction product of soluble nickel salt, cobalt salt, manganese salt with alkalines” are cobalt dihydroxide, nickel dihydroxide and manganese dihydroxide. Cobalt and nickel are considered as the main drivers for human health effects. This transported isolated intermediate is an inorganic solid UVCB-substance. The major and the most hazardous constituents of this intermediate are cobalt dihydroxide and nickel dihydroxide, which vary within different products 1-35% and 30-90%, respectively. Because of fine particles (IUCLID-section 4.5: particle size, 100% of inhalable fraction), dust emissions might cause exposure through inhalation for workers, and therefore controlled by existing RMMs taken place in production processes and intermediate use under strictly controlled conditions (see section 11 of IUCLID). Due to intermediate use under strictly controlled conditions further hazard assessment is deemed unnecessary.
Self-classification of this intermediate was determined based on the CLP rules for mixtures. Classification was done taking into account the composition and C&L entries of the classified constituents of this intermediate (see remarks in section 2.2).
Justification for classification or non-classification
Self-classification of this intermediate was determined based on the CLP rules for mixtures. Classification was done taking into account the composition and C&L entries of the classified constituents of this intermediate (see remarks in sections 2.1 and 2.2).
The UVCB-substance "Reaction product of soluble nickel salt, cobalt salt, manganese salt with alkalines" will be classified:Skin sensitisation
CLP:
Skin Sens. 1; H317
DSD, Directive 1999/45/EC
R42/43
Respiratory sensitisation
CLP:
Resp. Sens. 1; H334
DSD, Directive 1999/45/EC
R42/43
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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