Slags, Copper Refining

Classification and Labelling Proposals for Slag, Copper Refining

On behalf of the SIEF Facilitator for “Slag, Copper Refining” the European Copper Institute is authorised to communicate this information to all participants in the SIEF for the EINECS numbers below.

ECI Ref Substance SIEF Facilitator
B8 Slag, Copper Refining
(EC 266-970-4)
Metallo-Chimique NV

Slag, copper refining is defined as :

Substance produced at high temperature in a liquid state, by melting mixtures of metal oxides and non-ferrous metals (from primary sources such as copper ores, matte, or anodes) or by oxidizing metals (from copper rich materials such as metals, alloys or metal oxides).  Slag from copper refining contains relatively high amounts of copper oxides or sulphides, and various amounts of other non-ferrous metals oxides.

The Joint Registration dossier was successfully submitted to ECHA on 3rd November 2010.  Members of the ECI-managed Consortium, along with any purchasers of the appropriate Letter of Access, were provided with the necessary documents, plus the required REACH IT security token.

In April 2014, the joint dossier was extended to satisfy REACH Art 10 conditions, including the provision of a joint Chemical Safety Report (CSR).

The substance is used solely as Intermediate.

Depending on their own manufacturing and use profiles, individual members of this joint registration may have decided to register the substance in accordance with Strictly Controlled Conditions (SCC) requirements (REACH Art. 17/18), or as a full registration (REACH Art 10). Letter of Access purchasers are requested to contact ECI should they wish to upgrade their own registration from Art 17/18 to Art 10 and to secure the rights to use the joint CSR.

ECI’s REACH Classification, Labelling and Packaging proposals for Slag, copper refining have been assessed in the REACH dossier in accordance with Regulation (EC) 1907/2006 and the CLP Regulation (EC) 1272/2008. The rationales for these proposals are contained in the Joint Submission dossier submitted to ECHA by the Lead Registrant.

The 2014 conclusions below reflect the latest Adaptation to Technical Progress (ATP):

  1. Slag, copper refining – Grade 1 (sulphide scenario, applicable to major (primary) smelting slags and slags from concentrator)
    Hazard Class and Category Code(s) Hazard Statement
    STOT Rep. Exp. 2 H373: May cause damage to organs through prolonged or repeated exposure.
    (Affected organs: central nervous system, blood and kidneys; Route of exposure: inhalation or ingestion)
    Aquatic Acute 1 H400: Very toxic to aquatic life
    Aquatic Chronic 2 H411: Toxic to aquatic life with long lasting effects
  2. Slag, copper refining – Grade 2 (oxide scenario, applicable to (primary and secondary) converting and refining slags)
    Hazard Class and Category Code(s) Hazard Statement
    Acute Tox. 4 (oral) H302: Harmful if swallowed.
    STOT Rep. Exp. 1 H372: Causes damage to central nervous system, blood and kidneys through prolonged or repeated exposure by inhalation or ingestion.
    Skin Sens. 1 H317: May cause an allergic skin reaction
    Carc. 1A H350: May cause cancer
    Repr. 1A H360: May damage fertility or the unborn child
    Aquatic Acute 1 H410: Very toxic to aquatic life with long lasting effects.
    Aquatic Chronic 2 H411: Toxic to aquatic life with long lasting effects.

ECI will continue to offer Letters of Access to registrants.  The next ECHA registration deadline is June 1st 2018 for tonnages between 1 and 100 T. Click here to download the terms and conditions and application form (click here for Word version) , and here for the fees.

Earlier communications made to this SIEF can be requested from ECI at

  • ECI Communication to SIEF – September 2010
  • ECI Communication to SIEF – March 2010
  • ECI Communication to SIEF – October 2009
  • ECI Communication to SIEF – February 2009
  • Lead Registrant and ECI Communications to ECHA – June 2009