Registration Dossier
Registration Dossier
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EC number: 282-356-9 | CAS number: 84195-51-7 Substance resulting from the smelting of lead and its alloys obtained from primary and secondary sources and including recycled plant intermediates. Composed primarily of iron and lead (mainly in sulfide form) and may contain other residual non-ferrous metals and their compounds.
Endpoint summary
Administrative data
Description of key information
Additional information
Substance: Matte lead
“Matte lead is a solid, initially formed as a molten metal sulphide phase during the smelting of primary and secondary lead containing materials high in sulphur.” |
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EC names |
EC number/ EINECS No. |
CAS No. |
Matte lead |
282-356-9 |
84195-51-7 |
Matte, copper-lead |
305-422-1 |
94551-74-3 |
Note: substances pre-registered under the EC numbers 282-356-9 and 305-422-1 were merged as a result of sameness discussions within the relevant SIEFs. They are collectively identified under the name Matte lead and the EC number 305-422-1.
The material is a black, odourless solid (at 20°C and 101.3 kPA) in the form of coarse lumps or chuncks. The density will vary according to the precise composition of the sample. The density of the tested sample was 4.96 and 7.01 g/cm3. The melting point is shown to be > 500°C. Consequently, boiling point and vapour pressure cannot be determined. The water solubility test shows dissolution of metal ions although these results should be used with caution.
There is no evidence of physical hazards in terms of (auto)flammability, explosivity and oxidizing properties.
Studies regarding flash point, partition coefficient, surface tension and particle size distribution do not need to be conducted.
Waivers are in place for all these endpoints.
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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