Registration Dossier
Registration Dossier
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EC number: 273-744-9 | CAS number: 69012-45-9 By-product produced in the rolling of copper wire either in a conventional rod mill or a continuous cast rod mill. Consists of metallic copper, cuprous oxide and cupric oxide.
Explosiveness
Administrative data
Link to relevant study record(s)
Description of key information
The substance does not contain chemical groups associated with explosivity (see IUCLID 4.23, chemical and mineralogical composition of the substance).
Key value for chemical safety assessment
- Explosiveness:
- non explosive
Additional information
UVCB substance is inorganic and a complex metal containing substance.
As of IUCLID 4.23, the studied six (6) copper scale and dross sample contains 23.6- 86.8% copper. Zinc and lead contents ranges from below detection limits to 19.1 and 1.6%, correspondingly.
The mineral composition varies, but most samples consist mainly of copper, in some samples alloyed by zinc or aluminium, and copper oxides, cuprite and tenorite. Zincite is present in two samples.
In lead –bearing samples, lead is carried completely by metallic lead or mainly by metallic lead (61.5%), amorphous lead glass (32.1%) and lead oxides (6.3%).
None of the constituents is likely to exhibit explosive properties
Justification for classification or non-classification
Evaluation of mineralogist (ie no explosive properties) is confirmed by experience in handling and use.
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