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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Identification

Display Name:
Reaction mass of dicopper selenide and selenium
EC Number:
914-287-3
Molecular formula:
Cu2Se and Se
IUPAC Name:
Reaction mass of dicopper selenide and selenium

Type of Substance

Composition:
multi-constituent substance
Origin:
inorganic

Substance Identifiers open all close all

  • Selen konsentrat
  • Selenium/Precious metal concentrate
  • Selenslam
  • Compositions

    Boundary Composition(s)

    Legal Entity Composition(s) open all close all

    State Form:
    solid: particulate/powder
    Degree of purity:
    ca. 85 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    Dicopper selenide
    EC Number:
    243-796-7
    EC Name:
    Dicopper selenide
    CAS Number:
    20405-64-5
    Molecular formula:
    Cu2Se
    Constituent 2
    Chemical structure
    Reference substance name:
    Selenium
    EC Number:
    231-957-4
    EC Name:
    Selenium
    CAS Number:
    7782-49-2
    Molecular formula:
    Se
    Impurity 1
    Chemical structure
    Reference substance name:
    Nickel monoxide
    EC Number:
    215-215-7
    EC Name:
    Nickel monoxide
    CAS Number:
    1313-99-1
    Molecular formula:
    NiO
    IUPAC Name:
    Nickel (ii) oxide

    Composition(s) generated upon use

    Other types of composition(s)