Registration Dossier

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

Other names

Trade names:
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
Ferro Silicon
Ferro Vanadium
Ferromanganese
Ferrosilicium
ferrosilicochromium alloy
Ferrosilicomanganese
FerroSilicon
ferrosilicon alloy
FerroSilicon Slag
FerroSiliconChrome
FerroSiliconMagnesium
FerroSiliconNitride
FerroSiliconZircon
Ferrosilizium
FeSi alloy
FeSiCr
FeSiMn
High pure ploycrystalline silicon
Low Carbon Silico Manganese
Metallic silicon
Metallurgical grade silicon
Polycrystalline Silicon
Si
Si Fine e10-45
Si inside alloy
Si-metal
Silane
Silcocast
Silicio
Silicium
Silico Manganese
Silico Manganese
Silico Manganese - SiMn
Silicomanganese alloy
SilicoManganese Low B
SilicoManganese Low BTiP Lump
SilicoManganese Standard Lump
Silicon
silicon briquettes
silicon in alloys
Silicon in an alloy
Silicon Metal
Silicon Metal 2202
Silicon Metal and Silicon in Ferro Alloys (Ferro Silicon Manganese)
Silicon Metal, Silicon Alloys
silicon powder
Silicon Refined
Silicon Standard
silicon, silicon metal, Si-metal, metallurgical grade silicon
SiliconManganese
Silizium
Silizium Legierung
Silizium Metall
SILMIL
SILREF
Solar grade silicon
SUNSIL®

Total tonnage band

Total range:
1 000 000+ tonnes per annum

REACH

Registered as:
FULL
Submitted:
Joint Submission

Publication dates

First published:
20-Dec-2010
Last modified:
08-Oct-2019

Chemical safety assessment

Performed for this substance:
YES

Compositions open all close all

Type:
legal entity composition of the substance


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
Constituent 2
Chemical structure
Reference substance name:
Iron
EC Number:
231-096-4
EC Name:
Iron
CAS Number:
7439-89-6
Molecular formula:
Fe
IUPAC Name:
iron
Type:
legal entity composition of the substance


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
Type:
legal entity composition of the substance


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
Type:
legal entity composition of the substance


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
Type:
legal entity composition of the substance
State Form:
other: solid (bulk): substance in alloy


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
Type:
legal entity composition of the substance


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
Constituent 2
Chemical structure
Reference substance name:
Manganese
EC Number:
231-105-1
EC Name:
Manganese
CAS Number:
7439-96-5
Molecular formula:
Mn
IUPAC Name:
manganese(2+)
Constituent 3
Chemical structure
Reference substance name:
Iron
EC Number:
231-096-4
EC Name:
Iron
CAS Number:
7439-89-6
Molecular formula:
Fe
IUPAC Name:
iron
Type:
legal entity composition of the substance


Constituent 1
Chemical structure
Reference substance name:
Manganese
EC Number:
231-105-1
EC Name:
Manganese
CAS Number:
7439-96-5
Molecular formula:
Mn
IUPAC Name:
manganese(2+)
Constituent 2
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
Type:
legal entity composition of the substance
Degree of purity:
>= 95.1 - 100 % (w/w)


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
Impurity 1
Chemical structure
Reference substance name:
Iron
EC Number:
231-096-4
EC Name:
Iron
CAS Number:
7439-89-6
Molecular formula:
Fe
IUPAC Name:
iron
Impurity 2
Chemical structure
Reference substance name:
Calcium
EC Number:
231-179-5
EC Name:
Calcium
CAS Number:
7440-70-2
Molecular formula:
Ca
IUPAC Name:
calcium
Impurity 3
Chemical structure
Reference substance name:
Aluminium
EC Number:
231-072-3
EC Name:
Aluminium
CAS Number:
7429-90-5
Molecular formula:
Al
IUPAC Name:
aluminum
Impurity 4
Chemical structure
Reference substance name:
Manganese
EC Number:
231-105-1
EC Name:
Manganese
CAS Number:
7439-96-5
Molecular formula:
Mn
IUPAC Name:
manganese(2+)
Impurity 5
Chemical structure
Reference substance name:
Titanium
EC Number:
231-142-3
EC Name:
Titanium
CAS Number:
7440-32-6
Molecular formula:
Ti
Impurity 6
Chemical structure
Reference substance name:
Carbon
EC Number:
231-153-3
EC Name:
Carbon
CAS Number:
7440-44-0
Molecular formula:
C
IUPAC Name:
Carbon
Impurity 7
Chemical structure
Reference substance name:
Oxygen
EC Number:
231-956-9
EC Name:
Oxygen
CAS Number:
7782-44-7
Molecular formula:
O2
Impurity 8
Chemical structure
Reference substance name:
Phosphorus
EC Number:
231-768-7
EC Name:
Phosphorus
CAS Number:
7723-14-0
Molecular formula:
P
IUPAC Name:
phosphine
Impurity 9
Chemical structure
Reference substance name:
Magnesium
EC Number:
231-104-6
EC Name:
Magnesium
CAS Number:
7439-95-4
Molecular formula:
Mg
IUPAC Name:
magnesium
Impurity 10
Chemical structure
Reference substance name:
Lead
EC Number:
231-100-4
EC Name:
Lead
CAS Number:
7439-92-1
Molecular formula:
Pb
Impurity 11
Chemical structure
Reference substance name:
Boron
EC Number:
231-151-2
EC Name:
Boron
CAS Number:
7440-42-8
Molecular formula:
B
Type:
legal entity composition of the substance


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
Type:
legal entity composition of the substance


Constituent 1
Chemical structure
Reference substance name:
Chromium
EC Number:
231-157-5
EC Name:
Chromium
CAS Number:
7440-47-3
Molecular formula:
Cr
IUPAC Name:
chromium
Constituent 2
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
Constituent 3
Chemical structure
Reference substance name:
Iron
EC Number:
231-096-4
EC Name:
Iron
CAS Number:
7439-89-6
Molecular formula:
Fe
IUPAC Name:
iron
Constituent 4
Chemical structure
Reference substance name:
Carbon
EC Number:
231-153-3
EC Name:
Carbon
CAS Number:
7440-44-0
Molecular formula:
C
IUPAC Name:
Carbon
Type:
legal entity composition of the substance
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
Type:
legal entity composition of the substance
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
Type:
legal entity composition of the substance


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
Type:
legal entity composition of the substance
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
Type:
legal entity composition of the substance
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
Type:
legal entity composition of the substance
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
Type:
legal entity composition of the substance
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
Type:
legal entity composition of the substance


Type:
legal entity composition of the substance


Constituent 1
Chemical structure
Reference substance name:
Iron
EC Number:
231-096-4
EC Name:
Iron
CAS Number:
7439-89-6
Molecular formula:
Fe
IUPAC Name:
iron
Constituent 2
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
Constituent 3
Chemical structure
Reference substance name:
Chromium
EC Number:
231-157-5
EC Name:
Chromium
CAS Number:
7440-47-3
Molecular formula:
Cr
IUPAC Name:
chromium
Type:
legal entity composition of the substance
State Form:
solid: particulate/powder


Constituent 1