Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Chemical structure
Display Name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon

Type of Substance

Composition:
mono-constituent substance
Origin:
inorganic

Substance Identifiers open all close all

  • silicon
  • 231-130-8
  • 7440-21-3
  • Elemental Silicon (in alloys)
  • Polysilicon
  • Pure Silicon
  • Silicon
  • Silicon Ingots
  • Silicon Metal
  • Silicon Powder
  • Silicon
  • Calcium Silico Manganese
  • CalciumSilicon
  • Charge Chrome/Ferro Chrome
  • Chemical grade silicon
  • Dow Corning Product #2239108
  • Dow Corning Product #4075595
  • Electronic grade silicon
  • Elkem Solar Silicon, ESS TM
  • FeSi alloy
  • FeSiCr
  • FeSiMn
  • Ferro Silicon
  • Ferro Vanadium
  • FerroSilicon
  • FerroSilicon Slag
  • FerroSiliconChrome
  • FerroSiliconMagnesium
  • FerroSiliconNitride
  • FerroSiliconZircon
  • Ferromanganese
  • Ferrosilicium
  • Ferrosilicomanganese
  • Ferrosilicon
  • Ferrosilizium
  • High pure ploycrystalline silicon
  • Low Carbon Silico Manganese
  • Metallic silicon
  • Metallurgical grade silicon
  • Polycrystalline Silicon
  • Polycrystalline silicon
  • SILMIL
  • SILREF
  • SUNSIL®
  • Si
  • Si Fine e10-45
  • Si inside alloy
  • Si-metal
  • Silane
  • Silcocast
  • Silicio
  • Silicium
  • Silico Manganese
  • Silico Manganese
  • Silico Manganese - SiMn
  • SilicoManganese Low B
  • SilicoManganese Low BTiP Lump
  • SilicoManganese Standard Lump
  • Silicomanganese alloy
  • Silicon
  • Silicon Metal
  • Silicon Metal 2202
  • Silicon Metal and Silicon in Ferro Alloys (Ferro Silicon Manganese)
  • Silicon Metal, Silicon Alloys
  • Silicon Refined
  • Silicon Standard
  • Silicon in an alloy
  • Silicon metal
  • SiliconManganese
  • Silizium
  • Silizium Legierung
  • Silizium Metall
  • Solar grade silicon
  • Welding Wire
  • ferro silicon
  • ferrosilicochromium alloy
  • ferrosilicon alloy
  • silicon
  • silicon briquettes
  • silicon in alloys
  • silicon metal
  • silicon powder
  • silicon, silicon metal, Si-metal, metallurgical grade silicon

    • Compositions

    Boundary Composition(s) open all close all



    Constituent 1
    Chemical structure
    Reference substance name:
    Silicon
    EC Number:
    231-130-8
    EC Name:
    Silicon
    CAS Number:
    7440-21-3
    Molecular formula:
    Si
    IUPAC Name:
    silicon

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Silicon
    EC Number:
    231-130-8
    EC Name:
    Silicon
    CAS Number:
    7440-21-3
    Molecular formula:
    Si
    IUPAC Name:
    silicon
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Silicon
    EC Number:
    231-130-8
    EC Name:
    Silicon
    CAS Number:
    7440-21-3
    Molecular formula:
    Si
    IUPAC Name:
    silicon
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Silicon
    EC Number:
    231-130-8
    EC Name:
    Silicon
    CAS Number:
    7440-21-3
    Molecular formula:
    Si
    IUPAC Name:
    silicon
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Silicon
    EC Number:
    231-130-8
    EC Name:
    Silicon
    CAS Number:
    7440-21-3
    Molecular formula:
    Si
    IUPAC Name:
    silicon
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Silicon
    EC Number:
    231-130-8
    EC Name:
    Silicon
    CAS Number:
    7440-21-3
    Molecular formula:
    Si
    IUPAC Name:
    silicon
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Silicon
    EC Number:
    231-130-8
    EC Name:
    Silicon
    CAS Number:
    7440-21-3
    Molecular formula:
    Si
    IUPAC Name:
    silicon